# List of Harvard University politicians

The list of Harvard University politicians includes notable politicians affiliated with Harvard University.

## Heads of state

| Name | Class year | Notability |
| John Adams (1735–1826) | 1755 – College; 1758 – A.M. | President of the United States |
| John Quincy Adams (1767–1848) | 1787 – College; 1790 – A.M. | President of the United States |
| Arnulfo Arias (born 1901) | 1925 – HMS | President of Panama |
| George W. Bush (born 1946) | 1973 – HBS | President of the United States |
| Felipe Calderón Hinojosa (born 1962) | 2000 – HKS | President of Mexico |
| Tsakhiagiin Elbegdorj (born 1963) | 2002 – HKS | President of Mongolia |
| José María Figueres (born 1954) | 1991 – HKS | President of Costa Rica |
| Rutherford B. Hayes (1822–1893) | 1845 – Law | President of the United States |
| John F. Kennedy (1917–1963) | 1940 – College | President of the United States; namesake of Harvard Kennedy School |
| Miguel de la Madrid (1934-2012) | 1965 – HKS | President of Mexico |
| Jamil Mahuad (born 1949) | 1989 – HKS | President of Ecuador |
| Barack Obama (born 1961) | 1991 – Law | President of the United States |
| Sebastián Piñera (born 1949) | 1976 – PhD in Economics | President of Chile |
| Syngman Rhee (1875–1965) | 1909 – A.M. | President of South Korea |
| Mary Robinson (born 1944) | 1968 – HLS | President of Ireland |
| Eduardo Rodríguez (born 1956) | 1988 – HKS | President of Bolivia |
| Theodore Roosevelt (1858–1919) | 1880 – College | President of the United States |
| Franklin Delano Roosevelt (1882–1945) | 1904 – College | President of the United States |
| Shankar Dayal Sharma (1918-1999) | 1940 – LLM. | President of India |
| Carlos Salinas de Gortari (born 1948) | 1973 – HKS; 1976 A.M.; 1978 PhD | President of Mexico |
| Juan Manuel Santos | 1981 – HKS | President of Colombia |
| Ellen Johnson Sirleaf | 1971 – HKS | President of Liberia |
| Álvaro Uribe (born 1953) | 1993 – Extension | President of Colombia |
| Ma Ying-Jeou (born 1950) | 1981 – S.J.D. | President of the Republic of China (Taiwan) |
| Maia Sandu (born 1972) | 2010 – HKS | President of Moldova |
| Duma Gideon Boko (born 1969) | 1993 – LLM | President of Botswana |

## Heads of government

| Name | Class year | Notability |
| Abdiweli Mohamed Ali (born 1965) | HKS – 1999 | President of Puntland; Prime Minister of Somalia |
| Benazir Bhutto (1953–2007) | College 1973 | Prime Minister of Pakistan |
| Gro Harlem Brundtland (born 1939) | Master of Public Health – 1965 | Prime Minister of Norway |
| Mark Carney (born 1965) | A.B. 1988 | Prime Minister of Canada |
| Roberto Dañino (born 1951) | Law | Prime Minister of Peru |
| Tom Davis (1917–2007) | Master of Public Health 1952 | Prime Minister of the Cook Islands |
| Benedikt Sigurðsson Gröndal (1924-2010) | College 1946 | Prime Minister of Iceland |
| William Lyon Mackenzie King (1874–1950) | A.M. 1898; PhD 1909 | Prime Minister of Canada |
| Lee Hsien Loong (born 1952) | HKS 1980 | Prime Minister of Singapore |
| Beatriz Merino (born 1947) | Law | Prime Minister of Peru |
| Najib Mikati (born 1955) | 2004 – Business | Prime Minister of Lebanon |
| Kyriakos Mitsotakis (born 1968) | College 1990 | Prime Minister of Greece |
| Miklós Németh (born 1948) | GSAS 1976 | Prime Minister of Hungary |
| Fan Noli (1882–1965) | College 1912 | Prime Minister of Albania |
| Nguyen Xuan Oanh (1921–2003) | HBS | Prime Minister of South Vietnam |
| Andreas Papandreou (1919–1996) | A.M. 1942; PhD 1943; lecturer and associate professor | Prime Minister of Greece |
| Kiril Petkov (born 1980) | | Prime Minister of Bulgaria |
| Samir Rifai (born 1966) | College 1988 | Prime Minister of Jordan |
| Zaid al-Rifai (born 1936) | College 1957 | Prime Minister of Jordan |
| Omar Razzaz (born 1961) | | Prime Minister of Jordan |
| Jafar Hassan (born 1968) | | Prime Minister of Jordan |
| Antonis Samaras (born 1951) | HBS 1976 | Prime Minister of Greece |
| Maia Sandu (born 1972) | HKS | Prime Minister of Moldova |
| Lobsang Sangay (born 1963) | | Prime Minister of the Central Tibetan Administration |
| Alfred Sant (born 1948) | HBS 1979 | Prime Minister of Malta |
| Edward Seaga (born 1930) | College 1952 | Prime Minister of Jamaica |
| Aziz Sedki (1920–2008) | College 1950 | Prime Minister of Egypt |
| Frederick Sumaye (born 1950) | HKS 2007 | Prime Minister of Tanzania |
| Tshering Tobgay (born 1965) | HKS 2004 | Prime Minister of Bhutan |
| Pierre Trudeau (1919–2000) | HKS 1945 | Prime Minister of Canada |
| William Lai (1959-) | Master's degree in public health 2003 | Premier of the Republic of China |

## US cabinet secretaries

| Name | Class year | Notability |
| Spencer Abraham (born 1952) | Law 1979 | United States Secretary of Energy, United States Senator |
| Dean Acheson (1893–1971) | Law 1918 | United States Secretary of State |
| Alexander Acosta (born 1969) | College 1990, Law 1994 | United States Secretary of Labor |
| Brock Adams (1927–2004) | Law 1952 | United States Secretary of Transportation |
| Charles Francis Adams III (1866–1954) | College 1888; Law 1892 | United States Secretary of the Navy |
| Bruce Babbitt (born 1938) | Law 1965 | United States Secretary of the Interior, Governor of Arizona |
| Robert Bacon (1860–1919) | College 1880 | United States Secretary of State |
| Joseph Barr (1918–1996) | A.M. 1941 | United States Secretary of the Treasury |
| William Bennett (born 1943) | Law 1971 | United States Secretary of Education, activist |
| Francis Biddle (1886–1968) | College 1909; Law 1911 | United States Attorney General |
| Charles Bonaparte (1851–1921) | College 1870, Law 1872 | United States Attorney General |
| Nicholas F. Brady (born 1930) | Business 1954 | United States Secretary of the Treasury |
| James H. Burnley IV (born 1948) | Law 1973 | United States Secretary of Transportation |
| Sylvia Mathews Burwell (born 1965) | College 1987 | United States Secretary of Health and Human Services |
| Joseph Califano (born 1931) | Law 1955 | United States Secretary of Health, Education, and Welfare |
| Frank Carlucci (1930-2018) | Business 1955 | United States Secretary of Defense |
| Julián Castro (born 1974) | Law 2000 | United States Secretary of Housing and Urban Development |
| Elaine Chao (born 1953) | Business 1979 | United States Secretary of Labor, United States Secretary of Transportation |
| Michael Chertoff (born 1953) | College 1975; Law 1978 | United States Secretary of Homeland Security |
| Henry Cisneros (born 1947) | HKS 1973 | United States Secretary of Housing and Urban Development |
| William Thaddeus Coleman Jr. (1920-2017) | Law 1946 | United States Secretary of Transportation |
| John T. Connor (1914–2000) | Law 1939 | United States Secretary of Commerce |
| Caleb Cushing (1800–1878) | College 1817 | United States Attorney General |
| Charles Devens (1820–1891) | College 1838, Law 1840 | United States Attorney General |
| Samuel Dexter (1761–1816) | College 1781 | United States Secretary of the Treasury |
| C. Douglas Dillon (1909–2003) | College 1931 | United States Secretary of the Treasury |
| Elizabeth Hanford Dole (born 1936) | Law 1965 | United States Secretary of Transportation, United States Secretary of Labor |
| Shaun Donovan (born 1966) | College 1987; HKS 1995 | United States Secretary of Housing and Urban Development, Director of the Office of Management and Budget, running for Mayor of New York City |
| Arne Duncan (born 1964) | College 1987 | United States Secretary of Education |
| Mark Esper (born 1964) | Kennedy 1995 | United States Secretary of Defense |
| William M. Evarts (1818–1901) | Law 1840 | United States Attorney General, United States Secretary of State |
| Edward Everett (1794–1865) | College 1811; A.M. 1814 | United States Secretary of State |
| Charles S. Fairchild (1842–1920) | College 1863, Law 1865 | United States Secretary of the Treasury |
| Barbara Hackman Franklin (born 1940) | Business 1964 | United States Secretary of Commerce |
| Alberto Gonzales (born 1955) | Law 1982 | United States Attorney General |
| Christian Herter (1895–1966) | College 1915 | United States Secretary of State |
| Ebenezer R. Hoar (1816–1895) | College 1835 | United States Attorney General |
| Donald Hodel (born 1935) | College 1957 | United States Secretary of the Interior, United States Secretary of Energy |
| David F. Houston (1866–1940) | College 1892 | United States Secretary of Agriculture |
| Robert F. Kennedy (1925–1968) | College 1948 | United States Attorney General, United States Senator |
| Cameron Kerry (born 1950) | College 1972 | United States Secretary of Commerce |
| John King Jr. (born 1975) | College 1995 | United States Secretary of Education |
| Richard Kleindienst (1923–2000) | College 1947; Law 1950 | United States Attorney General |
| Jack Lew (born 1955) | College 1978 | United States Secretary of the Treasury |
| Drew Lewis (1931-2016) | Business 1955 | United States Secretary of Transportation |
| Levi Lincoln Sr. (1749–1820) | College 1772 | United States Attorney General |
| Robert Todd Lincoln (1843–1926) | College 1864 | United States Secretary of War, son of Abraham Lincoln |
| Robert A. Lovett (1895–1986) | Law, 1919, Business 1921 | United States Secretary of Defense |
| Loretta Lynch (born 1959) | College 1981, Law 1984 | United States Attorney General |
| James Thomas Lynn (1927–2010) | Law 1951 | United States Secretary of Housing and Urban Development |
| Neil H. McElroy (1904–1972) | College 1925 | United States Secretary of Defense |
| Robert McNamara (1916–2009) | Business 1939 | United States Secretary of Defense |
| Ogden L. Mills (1884–1937) | College 1904, Law 1907 | United States Secretary of the Treasury |
| William Henry Moody (1853–1917) | College 1876 | United States Attorney General |
| Vivek Murthy (born 1977) | College 1998 | Surgeon General of the United States |
| Richard Olney (1835–1917) | Law 1858 | United States Secretary of State |
| Henry Paulson (born 1946) | Business 1970 | United States Secretary of the Treasury |
| Thomas Perez (born 1961) | Law 1987, HKS 1987 | United States Secretary of Labor, Chairman of the Democratic National Committee |
| Timothy Pickering (1745–1829) | College 1763 | United States Secretary of State, United States Secretary of War |
| Mike Pompeo (born 1963) | Law 1994 | United States Secretary of State, former Director of the Central Intelligence Agency, United States Representative |
| Penny Pritzker (born 1959) | College 1981 | United States Secretary of Commerce |
| Donald Regan (1918–2003) | College 1940 | United States Secretary of the Treasury |
| Janet Reno (1938–2016) | Law 1963 | United States Attorney General |
| Elliot Richardson (1920–1999) | College 1941, Law 1947 | United States Secretary of Defense, United States Attorney General |
| William Adams Richardson (1821–1896) | College 1843 | United States Secretary of the Treasury |
| Tom Ridge (born 1946) | College 1967 | United States Secretary of Homeland Security |
| Wilbur Ross (born 1937) | Business 1961 | United States Secretary of Commerce |
| Robert E. Rubin (born 1938) | College 1960 | United States Secretary of the Treasury; Chairman of Citigroup |
| James Schlesinger (born 1929) | College 1950; A.M. 1952; PhD 1956 | United States Secretary of Defense, United States Secretary of Energy |
| William French Smith (1917–1990) | Law 1942 | United States Attorney General |
| Henry L. Stimson (1867–1950) | A.M. 1889 | United States Secretary of State, United States Secretary of War |
| Julie Su (born 1969) | Law 1994 | United States Secretary of Labor (acting) |
| Lawrence Summers (born 1954) | PhD 1982; President (2001–2006); Professor | United States Secretary of the Treasury |
| Elihu B. Washburne (1816–1887) | Law 1840 | United States Secretary of State |
| Robert C. Weaver (1907–1997) | College 1934 | United States Secretary of Housing and Urban Development |
| Sinclair Weeks (1893–1972) | College 1914 | United States Secretary of Commerce |
| Caspar Weinberger (1917–2006) | College 1938; Law 1941 | United States Secretary of Defense |
| Willard Wirtz (born 1912) | Law 1937 | United States Secretary of Labor |
| Henry Kissinger (1923-2023) | College 1950, M.A. 1951, PhD 1954 | United States Secretary of State |

## US state governors

| Name | Class year | Notability |
| Aníbal Acevedo Vilá (born 1962) | Law 1987 | Governor of Puerto Rico |
| Samuel Adams (1722–1803) | College 1740; A.M. 1743 | Governor of Massachusetts, organizer of Boston Tea Party |
| Henry Watkins Allen (1820–1866) | Law 1858 | Governor of Louisiana |
| Benjamin Ames (1778–1835) | College 1803 | Governor of Maine |
| Charlie Baker (born 1956) | College 1979 | Governor of Massachusetts |
| Nathaniel B. Baker (1818–1876) | College 1839 | Governor of New Hampshire |
| Robert P. Bass (1873–1960) | College 1896 | Governor of New Hampshire |
| Percival Proctor Baxter (1876–1969) | Law 1901 | Governor of Maine |
| Franklin S. Billings (1862–1935) | College 1885 | Governor of Vermont |
| James Bowdoin (1726–1790) | College 1745 | Governor of Massachusetts |
| John Q. A. Brackett (1842–1918) | College 1865, Law 1868 | Governor of Massachusetts |
| Robert F. Bradford (1902–1983) | College 1923 | Governor of Massachusetts |
| Roger Branigin (1902–1975) | Law | Governor of Indiana |
| Phil Bredesen (born 1943) | College 1967 | Governor of Tennessee |
| Owen Brewster (1888–1961) | Law 1913 | Governor of Maine |
| J. Melville Broughton (1888–1949) | Law 1913 | Governor of North Carolina |
| C. Farris Bryant (1914–2002) | Law 1938 | Governor of Florida |
| Alexander Bullock (1816–1882) | Law 1840 | Governor of Massachusetts |
| Brendan Byrne (born 1924) | Law 1950 | Governor of New Jersey |
| John Lee Carroll (1830–1911) | Law 1851 | Governor of Maryland |
| Prentice Cooper (1895–1965) | Law 1921 | Governor of Tennessee |
| Channing H. Cox (1879–1968) | Law 1904 | Governor of Massachusetts |
| Robert B. Crosby (1911–2000) | Law 1935 | Governor of Nebraska |
| Ron DeSantis (born 1978) | Law 2005 | Governor of Florida |
| Jim Doyle (born 1945) | Law 1972 | Governor of Wisconsin |
| Alfred E. Driscoll (1902–1975) | Law 1928 | Governor of New Jersey |
| Michael Dukakis (born 1933) | Law 1960 | Governor of Massachusetts, 1988 Democratic U.S. presidential nominee |
| Pierre S. du Pont, IV (born 1935) | Law 1963 | Governor of Delaware, U.S. presidential candidate |
| George Howard Earle III (1890–1914) | College 1912 | Governor of Pennsylvania |
| Joseph B. Ely (1881–1956) | Law 1905 | Governor of Massachusetts |
| William Eustis (1753–1825) | College 1772 | Governor of Massachusetts |
| William Tudor Gardiner (1892–1953) | Law 1917 | Governor of Maine |
| Booth Gardner (born 1936) | Business 1963 | Governor of Washington |
| Lucius F. C. Garvin (1841–1922) | Medical 1867 | Governor of Rhode Island |
| Samuel Goddard (1919–2006) | College 1941 | Governor of Arizona |
| Jennifer Granholm (born 1959) | Law 1987 | Governor of Michigan |
| Hugh Gregg (1917–2003) | Law 1942 | Governor of New Hampshire |
| Curtis Guild Jr. (1860–1915) | College 1881 | Governor of Massachusetts |
| John Hancock (1737–1793) | College 1754 | President of the Continental Congress, first Governor of Massachusetts |
| Christian Herter (1895–1966) | College 1915 | Governor of Massachusetts |
| Horace Hildreth (1902–1988) | Law 1928 | Governor of Maine |
| George Hoadly (1826–1902) | Law 1844 | Governor of Ohio |
| Bob Holden (born 1949) | HKS 1976 | Governor of Missouri |
| Linwood Holton (born 1923) | Law 1949 | Governor of Virginia |
| Richard B. Hubbard (1832–1901) | Law 1853 | Governor of Texas |
| Tim Kaine (born 1958) | Law 1983 | Governor of Virginia |
| Edward Kent (1802–1877) | College 1821 | Governor of Maine |
| John King (1916–1996) | College 1938 | Governor of New Hampshire |
| Everett J. Lake (1871–1948) | College 1890 | Governor of Connecticut |
| Ned Lamont (born 1954) | College 1976 | Governor of Connecticut |
| Frank Licht (1916–1987) | Law 1941 | Governor of Rhode Island |
| Levi Lincoln Jr. (1782–1868) | College 1802 | Governor of Massachusetts |
| John Davis Lodge (1903–1985) | College 1925; Law 1929 | Governor of Connecticut |
| John Davis Long (1838–1915) | College 1857 | Governor of Massachusetts |
| John Lynch (born 1952) | Business 1979 | Governor of New Hampshire |
| Ray Mabus (born 1948) | Law 1976 | Governor of Mississippi |
| Kenneth Mapp (born 1955) | Kennedy 1999 | Governor of the United States Virgin Islands |
| Jim McGreevey (born 1957) | Education 1982 | Governor of New Jersey |
| Paul V. McNutt (1891–1955) | Law 1916 | Governor of Indiana |
| Carl E. Milliken (1877–1961) | College 1899 | Governor of Maine |
| Phil Murphy (born 1957) | College 1979 | Governor of New Jersey |
| Charles Paine (1799–1853) | College 1816 | Governor of Vermont |
| Deval Patrick (born 1956) | College 1978; Law 1982 | Governor of Massachusetts |
| Endicott Peabody (1920–1997) | College 1942; Law 1948 | Governor of Massachusetts |
| Sylvester Pennoyer (1831–1902) | Law 1854 | Governor of Oregon |
| Charles Poletti (1903–2002) | College 1924, Law 1928 | Governor of New York |
| Robert E. Quinn (1894–1975) | Law 1918 | Governor of Rhode Island |
| William F. Quinn (1919–2006) | Law 1947 | Governor of Hawaii |
| Gina Raimondo (born 1971) | College 1993 | Governor of Rhode Island |
| Bruce Rauner (born 1957) | Business 1981 | Governor of Illinois |
| John H. Reed (born 1921) | Naval Supply 1944 | Governor of Maine |
| George D. Robinson (1834–1896) | College 1856 | Governor of Massachusetts |
| Buddy Roemer (1943–2021) | College 1964; Business 1967 | Governor of Louisiana |
| Mitt Romney (born 1947) | Business 1975; Law 1975 | Governor of Massachusetts, 2012 Republican U.S. presidential nominee |
| William Russell (1857–1896) | College 1877 | Governor of Massachusetts |
| George L. Sheldon (born 1870) | 1893 | 14th Governor of Nebraska |
| Milward L. Simpson (1897–1993) | Law 1925 | Governor of Wyoming |
| Samuel E. Smith (1788–1860) | College 1808 | Governor of Maine |
| Richard Snelling (1927–1991) | College 1948 | Governor of Vermont |
| Eliot Spitzer (born 1959) | Law 1984 | Governor of New York |
| Caleb Strong (1745–1819) | College 1763 | Governor of Massachusetts |
| Increase Sumner (1746–1799) | College 1763 | Governor of Massachusetts |
| Bruce Sundlun (born 1920) | Law 1949 | Governor of Rhode Island |
| J. Fife Symington III (born 1945) | College 1968 | Governor of Arizona |
| Jonathan Trumbull (1710–1785) | College 1727; A.M. 1730 | Governor of Connecticut |
| Jonathan Trumbull Jr. (1740–1809) | College 1759 | Governor of Connecticut; son of John Trumbull class of 1727; served as US Speaker of the House and US Senator |
| Jim Guy Tucker (born 1943) | College 1964 | Governor of Arkansas |
| David Walters (born 1951) | Business 1975 | Governor of Oklahoma |
| Mark Warner (born 1954) | Law 1980 | Governor of Virginia, U.S. Senator, co-founder of Nextel |
| William Weld (born 1945) | College 1966; Law 1970 | Governor of Massachusetts |
| William Pinkney Whyte (1824–1908) | Law 1844 | Governor of Maryland |
| Joseph H. Williams (1814–1896) | College 1830 | Governor of Maine |
| Augustus E. Willson (1846–1931) | College 1865, Law 1872 | Governor of Kentucky |
| Roger Wolcott (1847–1900) | College 1870, Law 1874 | Governor of Massachusetts |
| Glenn Youngkin (born 1966) | Business 1994 | Governor of Virginia, co-CEO of The Carlyle Group |

## US senators

| Name | Class year | Notability |
| Spencer Abraham (born 1952) | Law 1978 | |
| Brock Adams (1927–2004) | Law 1952 | |
| Samuel G. Arnold (1821–1880) | Law 1845 | |
| Charles G. Atherton (1804–1853) | College 1822 | |
| Robert Woodward Barnwell (1801–1882) | College 1821 | |
| Jeff Bingaman (born 1943) | College 1965 | |
| Hiram Bingham III (1875–1956) | PhD. 1905 | |
| Richard Blumenthal (born 1946) | College 1967 | |
| Mike Braun (born 1954) | Business 1978 | |
| Robert J. Bulkley (1880–1965) | College 1902, Law 1906 | |
| Edward R. Burke (1880–1968) | Law 1911 | |
| Harold Hitz Burton (1888–1964) | Law 1911 | |
| John Chafee (1922–1999) | Law 1950 | |
| Christopher G. Champlin (1768–1840) | College 1786 | |
| William E. Chandler (1835–1917) | Law 1854 | |
| David Worth Clark (1902–1955) | Law 1925 | |
| Joseph S. Clark (1901–1990) | College 1923 | |
| Edward P. Costigan (1874–1939) | College 1899 | |
| Tom Cotton (born 1977) | College 1998, Law 2002 | |
| Samuel C. Crafts (1768–1853) | College 1790 | |
| Mike Crapo (born 1951) | Law 1977 | |
| Ted Cruz (born 1970) | Law 1995 | |
| John Culver (born 1932) | College 1954; Law 1962 | |
| Bronson M. Cutting (1888–1935) | College 1910 | |
| Charles Cutts (1769–1846) | College 1789 | |
| Tristram Dalton (1738–1817) | College 1755 | |
| William F. De Saussure (1792–1870) | College 1810 | |
| Samuel Dexter (1761–1816) | College 1781 | |
| Elizabeth Dole (born 1936) | A.M. 1960; Law 1965 | |
| Thomas Eagleton (1929–2007) | Law 1953 | |
| Sam Ervin (1896–1985) | Law 1922 | |
| James B. Eustis (1834–1899) | Law 1854 | |
| Russ Feingold (born 1953) | Law 1979 | |
| Hiram Fong (1906–2004) | Law 1935 | |
| Dwight Foster (1757–1823) | College 1784 | |
| Al Franken (born 1951) | College 1973 | |
| Bill Frist (born 1952) | Medical 1978 | |
| David Gambrell (born 1929) | Law 1952 | |
| Peter G. Gerry (1879–1957) | College 1901 | |
| Guy D. Goff (1866–1933) | Law 1891 | |
| Benjamin Goodhue (1748–1814) | College 1766 | |
| Christopher Gore (1758–1827) | College 1776 | |
| Bob Graham (born 1936) | Law 1962 | |
| Ernest Gruening (1887–1974) | College 1907; Medical 1912 | |
| Edward Gurney (1914–1996) | Law 1938 | |
| Frederick Hale (1874–1963) | College 1896 | |
| Floyd Haskell (1916–1998) | College 1937; Law 1941 | |
| William Hathaway (born 1924) | College 1949; Law 1953 | |
| H. John Heinz (1938–1991) | Business 1963 | |
| Anthony Higgins (1840–1912) | Law 1864 | |
| George Frisbie Hoar (1826–1904) | College 1846 | |
| Henry F. Hollis (1869–1949) | College 1892 | |
| Richard C. Hunter (1884–1941) | Law 1910 | |
| James Jeffords (born 1934) | Law 1962 | |
| Daniel T. Jewett (1807–1906) | Law 1833 | |
| Tim Kaine (born 1958) | Law 1983 | |
| Kenneth Keating (1900–1975) | Law 1923 | |
| James P. Kem (1890–1965) | Law 1913 | |
| Edward Kennedy (1932–2009) | College 1956; Honorary degree 2008 | |
| Henry W. Keyes (1862–1938) | College 1887 | |
| Rufus King (1755–1827) | College 1777 | |
| Paul G. Kirk (born 1938) | 1960, Harvard Law 1968 | |
| Herbert Kohl (1935–2023) | Business 1958 | |
| Carl Levin (1934–2021) | Law 1959 | |
| James Lloyd (1769–1831) | College 1787 | |
| Henry Cabot Lodge (1850–1924) | College 1871; Law 1874; PhD 1876 | President pro tempore of the United States Senate |
| Henry Cabot Lodge Jr. (1902–1985) | College 1924 | |
| Gilman Marston (1811–1890) | Law 1840 | |
| Spark Matsunaga (1916–1990) | Law 1951 | |
| Martha McSally (born 1966) | Kennedy 1990 | |
| Prentiss Mellen (1764–1840) | College 1784 | |
| Amos Nourse (1794–1877) | College 1812, PhD. 1817 | |
| Harrison Gray Otis (1765–1848) | Law 1765 | |
| Elijah Paine (1757–1842) | College 1781 | |
| Samuel Pasco (1834–1917) | College 1858 | |
| Boies Penrose (1860–1921) | Law 1881 | |
| Claude Pepper (1900–1989) | Law 1924 | |
| Timothy Pickering (1745–1829) | College 1763 | |
| Larry Pressler (born 1942) | HKS 1971; Law 1971 | |
| William Proxmire (1915–2005) | Business 1940; HKS 1949 | |
| Robert Rantoul Jr. (1805–1852) | College 1826 | |
| Jack Reed (born 1949) | HKS 1973; Law 1982 | |
| Jay Rockefeller (born 1937) | College 1961 | |
| Mitt Romney (born 1947) | JD-MBA 1975 | |
| William Roth (1921–2003) | Business 1947; Law 1949 | |
| Frederic M. Sackett (1868–1941) | Law 1893 | |
| Leverett Saltonstall (1892–1979) | College 1914; Law 1917 | |
| Paul Sarbanes (born 1933) | Law 1960 | |
| Ben Sasse (born 1972) | College 1994 | |
| Frederick A. Sawyer (1822–1891) | College 1844 | |
| Harrison Schmitt (born 1935) | PhD 1964 | |
| Charles Schumer (born 1950) | College 1971; Law 1974 | |
| James Sheafe (1755–1829) | College 1774 | |
| William Paine Sheffield Sr. (1820–1907) | College 1774 | |
| Benjamin Smith II (1916–1991) | College 1939 | |
| Peleg Sprague (1793–1880) | College 1812 | |
| Ted Stevens (1923–2010) | Law 1950 | President pro tempore of the United States Senate |
| Adlai Stevenson III (1930-2021) | College 1952; Law 1957 | |
| Richard Stone (born 1928) | College 1949 | |
| Dan Sullivan (born 1964) | College 1987 | |
| Charles Sumner (1811–1874) | College 1830; Law 1833 | |
| John E. Sununu (born 1964) | Business 1991 | |
| Kingsley A. Taft (1903–1970) | Law 1928 | |
| Robert A. Taft (1889–1953) | Law 1913 | |
| Robert Taft Jr. (1917–1993) | Law 1942 | |
| Thomas W. Thompson (1766–1821) | College 1786 | |
| Pat Toomey (born 1961) | College 1984 | |
| Robert Torricelli (born 1951) | HKS 1980 | |
| Jonathan Trumbull (1710–1785) | College 1727 | |
| Paul Tsongas (1941–1997) | HKS 1974 | |
| David Vitter (born 1961) | College 1983 | |
| Mark Warner (born 1954) | Law 1980 | |
| Elizabeth Warren (born 1949) | Professor of Law | |
| Sinclair Weeks (1893–1972) | College 1914 | |
| Paine Wingate (1739–1838) | College 1759 | |
| Robert Charles Winthrop (1809–1894) | College 1828 | |
| Tim Wirth (born 1939) | College 1961; Education 1964 | |
| Thomas A. Wofford (1908–1978) | Law 1931 | |
| Edward O. Wolcott (1848–1905) | Law 1875 | |
| Louis Wyman (1917–2002) | Law 1941 | |

## US representatives

| Name | Class year | Notability |
| Charles Francis Adams Sr. (1807–1886) | College 1825 | |
| George E. Adams (1840–1917) | College 1860 | |
| John Adler (1959–2011) | College 1981; Law 1984 | |
| Richard S. Aldrich (1884–1941) | Law 1909 | |
| Joseph Allen (1749–1827) | College 1774 | |
| Tom Allen (born 1945) | Law 1974 | |
| A. Piatt Andrew (1873–1936) | GSAS 1895 | |
| John F. Andrew (1850–1895) | College 1872 | |
| Fisher Ames (1758–1808) | College 1774 | |
| John Anderson (born 1922) | Law 1949 | U.S. presidential candidate, United States Representative |
| John Ashbrook (1928–1982) | College 1952 | U.S. presidential candidate, United States Representative |
| Charles Humphrey Atherton (1773–1853) | College 1794 | |
| Jake Auchincloss (born 1988) | College 2010 | |
| Robert L. Bacon (1884–1938) | College 1907 | |
| Charles Montague Bakewell (1867–1957) | GSAS 1894 | |
| Joseph C. Baldwin (1897–1957) | College 1920 | |
| John Goff Ballentine (1825–1915) | Law 1848 | |
| David Barker Jr. (1797–1834) | College 1815 | |
| John Barrow (born 1955) | Law 1979 | |
| Samuel J. Barrows (1845–1909) | Divinity 1871 | |
| Franklin Bartlett (1847–1909) | College 1869 | |
| Perkins Bass (1912–2011) | Law 1938 | |
| William H. Bates (1917–1969) | Business 1947 | |
| Anthony Beilenson (born 1932) | College 1954; Law 1957 | |
| Perry Belmont (1851–1947) | College 1872 | |
| Doug Bereuter (born 1939) | Design 1966; HKS 1973 | |
| Horace Binney (1780–1875) | College 1797 | |
| Chester C. Bolton (1882–1939) | College 1905 | |
| Oliver P. Bolton (1917–1972) | College 1939 | |
| Benjamin Bourne (1755–1808) | College 1775 | |
| Shearjashub Bourne (1746–1806) | College 1764 | |
| Henry Sherman Boutell (1856–1926) | College 1876 | |
| David R. Bowen (born 1932) | College 1954 | |
| Selwyn Z. Bowman (1840–1928) | College 1860 | |
| Brendan F. Boyle (born 1977) | HKS 2005 | |
| George Bradbury (1770–1823) | College 1789 | |
| Theophilus Bradbury (1739–1803) | College 1757 | |
| John Brademas (born 1927) | College 1949 | U.S. House Majority Whip |
| Vincent M. Brennan (1890–1959) | Law 1912 | |
| Frederick George Bromberg (1837–1930) | College 1858 | |
| James E. Bromwell (1920–2009) | Business 1947 | |
| George M. Brooks (1824–1893) | College 1844 | |
| Anthony Brown (born 1961) | College 1984 | |
| Bud Brown (born 1927) | Business 1949 | |
| Lathrop Brown (1883–1959) | College 1903 | |
| Clement Laird Brumbaugh (1863–1921) | College 1894 | |
| Frank H. Buck (1887–1942) | Law 1911 | |
| Melville Bull (1854–1909) | College 1877 | |
| Henry Adams Bullard (1788–1851) | College 1807 | |
| Anson Burlingame (1820–1870) | Law 1846 | |
| James N. Burnes (1827–1889) | Law 1853 | |
| Daniel Dee Burnes (1851–1899) | Law 1874 | |
| Edward Burnett (1849–1925) | College 1871 | |
| Josiah Butler (1779–1854) | College 1803 | |
| Tom Campbell (born 1952) | Law 1976 | |
| Bruce F. Caputo (born 1943) | College 1965 | |
| Joaquin Castro (born 1974) | Law 2000 | |
| Theron Ephron Catlin (1878–1960) | College 1899 | |
| John Curtis Chamberlain (1772–1834) | College 1793 | |
| Alfred C. Chapin (1848–1936) | Law 1871 | |
| Robert B. Chiperfield (1899–1971) | College 1922 | |
| William M. Citron (1896–1976) | Law 1921 | |
| Henry Alden Clark (1850–1944) | College 1874 | |
| John Bullock Clark Jr. (1831–1903) | Law 1854 | |
| Katherine Clark (born 1963) | HKS 1997 | |
| Curt Clawson (born 1959) | Business 1980 | |
| Joseph W. Clift (1837–1908) | Medical 1862 | |
| David Cobb (1748–1830) | College 1766 | |
| William Cogswell (1838–1895) | Law 1860 | |
| Joshua Coit (1758–1798) | College 1776 | |
| James M. Collins (1916–1989) | Business 1943 | |
| Patrick Collins (1844–1905) | Law 1871 | |
| John Bertrand Conlan (1930–2021) | Law 1954 | |
| Gerry Connolly (born 1950) | HKS 1979 | |
| Merrill Cook (born 1946) | Business 1971 | |
| Jim Cooper (born 1954) | Law 1980 | |
| Sam Coppersmith (born 1955) | College 1976 | |
| Tom Cotton (born 1977) | College 1999, Law 2002 | |
| Clarence Dennis Coughlin (1883–1946) | College 1906 | |
| Lawrence Coughlin (1929–2001) | Business 1954 | |
| Christopher Cox (born 1952) | Business 1977; Law 1977 | U.S. Securities and Exchange Commission chairman, United States Representative |
| James K. Coyne, III (born 1946) | Business 1970 | |
| William C. Cramer (1922–2003) | Law 1948 | |
| Dan Crenshaw (born 1984) | Kennedy 2018 | |
| Paul Cronin (born 1938) | HKS 1969 | |
| Frank Crowther (1870–1955) | Dental 1898 | |
| Jabez Lamar Monroe Curry (1825–1903) | Law 1845 | |
| Laurence Curtis (1893–1989) | College 1916 | |
| Joshua Cushman (1761–1834) | College 1787 | |
| Richard Cutts (1771–1845) | College 1790 | |
| Frederick W. Dallinger (1871–1955) | College 1893 | |
| Joseph Dane (1778–1858) | College 1799 | |
| Henry G. Danforth (1854–1918) | College 1877 | |
| Samuel Arza Davenport (1834–1911) | Law 1855 | |
| Artur Davis (born 1967) | College 1990; Law 1993 | |
| George T. Davis (1810–1877) | College 1829 | |
| Horace Davis (1831–1916) | College 1849 | |
| Jacob E. Davis (1905–2003) | Law 1930 | |
| Robert T. Davis (1823–1906) | Medical 1847 | |
| John Dawson (1762–1814) | College 1782 | |
| Frederick Simpson Deitrick (1875–1948) | Law 1898 | |
| Antonio Delgado (born 1977) | Law 2005 | |
| Henry C. Deming (1815–1872) | College 1839 | |
| David W. Dennis (1912–1999) | Law 1936 | |
| Winfield K. Denton (1896–1971) | Law 1922 | |
| Ron DeSantis (born 1978) | Law 2005 | |
| Albert Douglas (1852–1935) | Law 1874 | |
| John G. Dow (1905–2003) | College 1927 | |
| James P.B. Duffy (1878–1969) | Law 1904 | |
| James H. Duncan (1793–1869) | College 1812 | |
| Edwin Russell Durno (1899–1976) | Medical 1927 | |
| Chet Edwards (born 1951) | Business 1981 | |
| Caleb Ellis (1767–1816) | College 1793 | |
| Samuel Atkins Eliot (1798–1862) | College 1817 | |
| Thomas H. Eliot (1907–1991) | College 1928 | |
| Arlen Erdahl (born 1931) | KSG 1966 | |
| Elizabeth Esty (born 1959) | College 1981 | |
| George Eustis Jr. (1828–1872) | Law 1848 | |
| William Everett (1839–1910) | College 1859 | |
| Paul Fearing (1762–1822) | College 1785 | |
| Michael A. Feighan (1905–1992) | Law 1931 | |
| Hamilton Fish III (1888–1991) | College 1910 | |
| Hamilton Fish IV (1926–1996) | College 1949 | |
| Joseph L. Fisher (1914–1992) | GSAS 1947 | |
| Frederick G. Fleetwood (1868–1938) | College 1891 | |
| George Edmund Foss (1863–1936) | College 1885 | |
| Abiel Foster (1735–1806) | College 1756 | |
| Bill Foster (born 1955) | PhD 1983 | |
| George B. Francis (1883–1967) | Law 1907 | |
| Barney Frank (born 1940) | College 1962; Law 1977 | |
| Nathan Frank (1852–1931) | Law 1871 | |
| Nathaniel Freeman Jr. (1766–1800) | College 1787 | |
| Richard P. Freeman (1869–1944) | College 1891 | |
| Louis A. Frothingham (1871–1928) | College 1893 | |
| James G. Fulton (1903–1971) | Law 1927 | |
| Ruben Gallego (born 1979) | College 2002 | |
| James A. Gallivan (1866–1928) | College 1888 | |
| Barzillai Gannett (1764–1832) | College 1785 | |
| John Ganson (1818–1874) | College 1839 | |
| John Garamendi (born 1945) | Business 1970 | |
| Augustus Peabody Gardner (1865–1918) | College 1886 | |
| Francis Gardner (1771–1835) | College 1793 | |
| Frederick Gillett (1851–1935) | Law 1877 | Speaker of the United States House of Representatives |
| Charles J. Gilman (1824–1901) | Law 1850 | |
| Jimmy Gomez (born 1974) | KSG 2002 | |
| William Gordon (1763–1802) | College 1779 | |
| Benjamin Gorham (1775–1855) | College 1795 | |
| Josh Gottheimer (born 1975) | Law 2004 | |
| Bill Gradison (born 1928) | Business 1951 | |
| Fred Grandy (born 1948) | College 1970 | Actor, United States Representative |
| Alan Grayson (born 1958) | College 1978; HKS 1983; Law 1983 | Actor, United States Representative |
| Isaiah L. Green (1761–1841) | College 1781 | |
| S. William Green (1929–2002) | College 1950 | |
| Willard Hall (1780–1875) | College 1799 | |
| Josh Harder (born 1986) | Business/Kennedy 2014 | |
| Jane Harman (born 1945) | Law 1969 | |
| Michael J. Harrington (born 1936) | College 1958 | |
| Benjamin W. Harris (1823–1907) | Law 1849 | |
| Katherine Harris (born 1957) | HKS 1997 | |
| Robert O. Harris (1854–1926) | College 1877 | |
| Frank G. Harrison (1940–2009) | Law 1964 | |
| Julian Hartridge (1829–1879) | Law 1850 | |
| Seth Hastings (1762–1831) | College 1782 | |
| William Soden Hastings (1798–1842) | College 1817 | |
| Nathaniel Appleton Haven (1762–1831) | College 1779 | |
| Edward D. Hayden (1833–1908) | College 1854 | |
| Pablo Hernández Rivera (born 1991) | College 2013 | |
| John W. Heselton (1900–1962) | Law | |
| Brian Higgins (born 1959) | HKS 1996 | |
| John Patrick Higgins (1893–1955) | College 1917 | |
| John Boynton Philip Clayton Hill (1879–1941) | Law 1903 | |
| Jim Himes (born 1966) | College 1988 | |
| Rockwood Hoar (1855–1906) | College 1876 | |
| Samuel Hoar (1778–1856) | College 1802 | |
| Sherman Hoar (1860–1898) | College 1882 | |
| John B. Hollister (1890–1979) | Law 1915 | |
| Elizabeth Holtzman (born 1941) | Radcliffe 1962; Law 1965 | |
| Charles E. Hooker (1825–1914) | Law 1846 | |
| Steve Horn (born 1931) | HKS 1955 | |
| Alanson B. Houghton (1863–1941) | College 1886 | |
| Amory Houghton (born 1926) | College 1950; Business 1952 | |
| L. Paul Howland (1865–1942) | Law 1890 | |
| Michael Huffington (born 1947) | Business 1971 | |
| John W. Hulbert (1770–1831) | College 1795 | |
| Morton D. Hull (1867–1937) | College 1892 | |
| William L. Hungate (1922–2007) | Law 1948 | |
| Carleton Hunt (1836–1921) | College 1856 | |
| John Jarman (1915–1982) | Law 1941 | |
| Leonard Jarvis (1781–1854) | College 1800 | |
| William J. Jefferson (born 1947) | Law 1972 | |
| Albert G. Jenkins (1830–1864) | Law 1850 | |
| Nancy Johnson (born 1935) | Radcliffe 1957 | |
| Thomas Laurens Jones (1819–1887) | Law 1846 | |
| Robert Kean (1893–1980) | College 1915 | |
| Joseph G. Kendall (1788–1847) | Law 1810 | |
| Joseph P. Kennedy III (born 1980) | Law 2009 | |
| Barbara Kennelly (born 1936) | Business 1959 | |
| John Bozman Kerr (1809–1878) | College 1830 | |
| Kevin Kiley (born 1985) | College 2007 | |
| Ron Kind (born 1963) | College 1985 | |
| Daniel P. King (1801–1850) | College 1823 | |
| James G. King (1791–1853) | College 1810 | |
| Martin Kinsley (1754–1835) | College 1778 | |
| Herb Klein (born 1930) | Law 1953 | |
| Samuel Knox (1815–1905) | Law 1838 | |
| Ken Kramer (born 1942) | Law 1966 | |
| Raja Krishnamoorthi (born 1973) | Law 2000 | |
| John C. Kunkel (1898–1970) | Law 1926 | |
| Peter Kyros (1925–2012) | College 1957 | |
| Greg Landsman (born 1976) | Divinity 2004 | |
| Jim Langevin (born 1964) | HKS 1994 | |
| Henderson Lovelace Lanham (1888–1957) | GSAS 1912 | |
| John LeBoutillier (born 1953) | College 1976 | |
| Silas Lee (1760–1814) | College 1784 | |
| George Leonard (1729–1819) | College 1748 | |
| John E. Leonard (1845–1878) | College 1863 | |
| Andy Levin (born 1960) | Law 1994 | |
| Sander Levin (born 1931) | Law 1957 | |
| Mel Levine (born 1943) | Law 1969 | |
| Lawrence Lewis (1879–1943) | College 1901 | |
| Lucius Littauer (1859–1944) | College 1878 | |
| John Locke (1764–1855) | College 1792 | |
| Stephen Longfellow (1776–1849) | College 1798 | |
| Nicholas Longworth (1869–1931) | College 1891 | Speaker of the United States House of Representatives |
| George B. Loring (1817–1891) | College 1838 | |
| Theodore Lyman (1833–1897) | College 1855 | |
| Stephen Lynch (born 1955) | HKS 1999 | |
| William Pitt Lynde (1817–1885) | Law 1841 | |
| Torbert Macdonald (1917–1976) | College 1940 | |
| W. Kingsland Macy (1889–1961) | College 1912 | |
| Dan Maffei (born 1968) | HKS 1995 | |
| Walter W. Magee (1861–1927) | College 1889 | |
| Andrew Maguire (born 1939) | KSG 1966 | |
| Rowland B. Mahany (1864–1937) | College 1884 | |
| James H. Maloney (born 1948) | College 1972 | |
| David S. Mann (born 1939) | College 1961 | |
| Brian Mast (born 1980) | Extension 2016 | |
| Jim Matheson (born 1960) | College 1982 | |
| Wiley Mayne (1917–2007) | College 1938 | |
| Romano L. Mazzoli (born 1932) | KSG 2004 | |
| Washington J. McCormick (1884–1949) | College 1906 | |
| Walter I. McCoy (1859–1933) | College 1882 | |
| Martha McSally (born 1966) | HKS 1990 | |
| Ward Miller (1902–1984) | College 1931 | |
| Wilbur Mills (1909–1992) | Law 1933 | |
| Walt Minnick (born 1942) | Law 1969 | |
| Nahum Mitchell (1769–1853) | College 1789 | |
| Thomas R. Mitchell (1783–1837) | College 1802 | |
| John S. Monagan (1911–2005) | Law 1937 | |
| Jim Moody (born 1935) | HKS 1967 | |
| John Moolenaar (born 1961) | KSG 1989 | |
| William S. Moorhead (1923–1987) | Law 1949 | |
| Edward Joy Morris (1815–1881) | College 1836 | |
| Seth Moulton (born 1978) | College 2001, HBS-HKS 2011 | |
| Isaac Edward Morse (1809–1866) | College 1829 | |
| Harold G. Mosier (1889–1971) | Law 1915 | |
| Luther W. Mott (1874–1923) | College 1896 | |
| Scott Murphy (born 1970) | College 1992 | |
| Henry F. Naphen (1852–1905) | College 1878 | |
| Charles P. Nelson (1907–1962) | Law 1931 | |
| James Ellsworth Noland (1920–1992) | Business 1943 | |
| Joseph F. O'Connell (1872–1942) | Law 1896 | |
| John J. O'Connor (1885–1960) | Law 1911 | |
| Gayton P. Osgood (1797–1861) | College 1815 | |
| Richard Ottinger (born 1929) | Law 1953 | |
| George E. Outland (1906–1981) | GSAS 1929 | |
| Allen Ferdinand Owen (1816–1865) | Law 1839 | |
| John G. Palfrey (1796–1881) | College 1815 | |
| Chris Pappas (born 1980) | College 2002 | |
| Isaac Parker (1768–1830) | College 1786 | |
| Gorham Parks (1794–1877) | College 1813 | |
| George Partridge (1740–1828) | College 1762 | |
| John Perkins Jr. (1819–1885) | Law 1842 | |
| William H. Perry (1839–1902) | College 1859 | |
| Andrew James Peters (1872–1938) | College 1895, Law 1898 | |
| Tom Petri (born 1940) | College 1962; Law 1965 | |
| Michael Francis Phelan (1875–1941) | College 1897 | |
| Philip J. Philbin (1898–1972) | College 1920 | |
| Stephen C. Phillips (1801–1857) | College 1819 | |
| William Alvin Pittenger (1885–1951) | Law 1912 | |
| Edmund Platt (1865–1939) | College 1888 | |
| William Plumer Jr. (1789–1854) | College 1809 | |
| Bruce Poliquin (born 1953) | College 1976 | |
| Charles O. Porter (1919–2006) | College 1941 | |
| Katie Porter (born 1974) | Law 2001 | |
| Elisha R. Potter (1811–1882) | College 1830 | |
| Henry Otis Pratt (1838–1931) | College 1862 | |
| William Preston (1816–1887) | Law 1838 | |
| L. Richardson Preyer (1919–2001) | Law 1949 | |
| Josiah Quincy III (1772–1864) | College 1790 | |
| Jamie Raskin (born 1962) | College 1983, Law 1987 | |
| John H. Ray (1886–1975) | Law 1911 | |
| Nathan Read (1759–1849) | College 1781 | |
| Ben Reifel (1906–1990) | KSG 1949 | |
| Henry S. Reuss (1912–2002) | Law 1936 | |
| Mel Reynolds (born 1952) | KSG 1986 | |
| John Jacob Rhodes (1916–2003) | Law 1941 | |
| Thomas Rice (1768–1854) | College 1793 | |
| William M. Richardson (1774–1838) | College 1797 | |
| Francis W. Rockwell (1844–1929) | Law 1871 | |
| John Jacob Rogers (1881–1925) | College 1904 | |
| Edward G. Rohrbough (1874–1956) | GSAS 1906 | |
| James Roosevelt (1907–1991) | College 1930 | |
| Nathaniel Ruggles (1761–1819) | College 1781 | |
| Richard M. Russell (1891–1977) | College 1914 | |
| Raul Ruiz (born 1972) | HKS 2001, Medical 2001 | |
| Leverett Saltonstall I (1783–1845) | College 1802 | |
| John Sarbanes (born 1962) | Law 1988 | |
| James H. Scheuer (1920–2005) | Business 1943 | |
| Adam Schiff (born 1960) | Law 1985 | |
| Pat Schroeder (born 1940) | Law 1964 | |
| Bobby Scott (born 1947) | College 1969 | |
| Ebenezer Seaver (1763–1844) | College 1784 | |
| John F. Seiberling (1918–2008) | College 1941 | |
| Joe Sestak (born 1951) | HKS 1980; PhD 1984 | |
| Terri Sewell (born 1965) | Law 1992 | |
| Samuel Sewall (1757–1812) | College 1776 | |
| Bob Shamansky (1927–2011) | Law 1950 | |
| Brad Sherman (born 1954) | Law 1979 | |
| Rob Simmons (born 1943) | HKS 1979 | |
| John Simpkins (1862–1898) | College 1885 | |
| Kenneth F. Simpson (1895–1941) | Law 1922 | |
| Josiah Smith (1738–1803) | College 1774 | |
| Peter Plympton Smith (born 1945) | Education 1970 | |
| William Henry Sowden (1840–1907) | Law 1865 | |
| Ambrose Spencer (1765–1848) | College 1783 | |
| Charles F. Sprague (1857–1902) | College 1879 | |
| William H. Stafford (1869–1957) | Law 1893 | |
| Harley O. Staggers Jr. (born 1951) | College 1974 | |
| James V. Stanton (born 1932) | AMP 1984 | |
| Asahel Stearns (1774–1839) | College 1797 | |
| Foster Waterman Stearns (1881–1956) | GSAS 1906 | |
| William Stedman (1765–1831) | College 1784 | |
| Elise Stefanik (born 1980) | College 2006 | |
| George R. Stobbs (1877–1966) | College 1899 | |
| Eben F. Stone (1822–1895) | College 1843 | |
| Bellamy Storer (1847–1922) | College 1867 | |
| Samuel S. Stratton (1916–1990) | A.M. 1940 | |
| George Sullivan (1771–1838) | College 1790 | |
| Lorenzo De Medici Sweat (1818–1898) | Law 1840 | |
| William Irvin Swoope (1862–1930) | Law 1886 | |
| Mark Takano (born 1960) | College 1983 | |
| John J. Taylor (1808–1892) | College 1829 | |
| Nelson Taylor (1821–1894) | Law 1860 | |
| Scott Taylor (born 1979) | Extension 2014 | |
| Van Taylor (born 1972) | College 1995, Business 2001 | |
| Frank Tejeda (1945–1997) | HKS 1980 | |
| Samuel Tenney (1748–1816) | College 1772 | |
| George H. Tinkham (1870–1956) | College 1894 | |
| Thomas Chandler Thacher (1858–1945) | College 1882 | |
| George Thatcher (1754–1824) | College 1776 | |
| Samuel Thatcher (1776–1872) | College 1793 | |
| John A. Thayer (1857–1917) | College 1879 | |
| Pat Toomey (born 1961) | College 1984 | |
| Peter Torkildsen (born 1958) | HKS 1990 | |
| Jonathan Trumbull Jr. (1740–1809) | College 1759 | Speaker of the United States House of Representatives |
| Charles Wentworth Upham (1802–1875) | Divinity 1821 | |
| George B. Upham (1768–1848) | College 1789 | |
| Jabez Upham (1764–1811) | College 1785 | |
| Chris Van Hollen (born 1959) | HKS 1985 | |
| Stephen Van Rensselaer (1764–1839) | College 1782 | |
| Richard Vander Veen (1922–2006) | Law 1949 | |
| Juan Vargas (born 1961) | Law 1991 | |
| John Varnum (1778–1836) | College 1798 | |
| Victor Veysey (1915–2001) | Business 1938 | |
| Roger Vose (1763–1841) | College 1790 | |
| Peleg Wadsworth (1748–1829) | College 1769 | |
| Robert Jarvis Cochran Walker (1838–1903) | Law 1858 | |
| Samuel H. Walley (1805–1877) | College 1826 | |
| Artemas Ward (1727–1800) | College 1748 | |
| Artemas Ward Jr. (1762–1847) | College 1783 | |
| Samuel L. Warner (1828–1893) | Law 1854 | |
| Vespasian Warner (1842–1925) | Law 1868 | |
| William W. Warren (1834–1880) | College 1855 | |
| Charles G. Washburn (1857–1928) | College 1880 | |
| Laurence Hawley Watres (1882–1964) | Law 1907 | |
| Steve Watkins (born 1976) | Kennedy 2017 | |
| Archibald J. Weaver (1843–1887) | Law 1869 | |
| Ed Weber (born 1931) | Law 1956 | |
| Charles W. Whalen Jr. (1920–2011) | Business 1946 | |
| Laban Wheaton (1754–1846) | College 1774 | |
| Leonard White (1767–1849) | College 1787 | |
| William Whiting (1813–1873) | College 1833 | |
| Richard B. Wigglesworth (1891–1960) | College 1912 | |
| Lemuel Williams (1747–1828) | College 1765 | |
| James Wilson I (1766–1839) | College 1789 | |
| John Wilson (1777–1848) | College 1799 | |
| Scott Wike (1834–1901) | Law 1859 | |
| Samuel Winslow (1862–1940) | College 1885 | |
| Robert Winthrop (1809–1894) | College 1828 | Speaker of the United States House of Representatives |
| Samuel T. Worcester (1804–1882) | College 1830 | |
| John W. Wydler (1924–1987) | Law 1950 | |
| Chalmers Wylie (1920–1998) | Law 1948 | |
| Clarence Clifton Young (1922–2016) | Law 1949 | |

## Other political figures

| Name | Class year | Notability |
| Michael G. Adams (born 1976) | Law | Secretary of State of the Commonwealth of Kentucky |
| Mahidol Adulyadej, Prince of Songkla (1892–1929), (from Siam, Thailand) | Certificate in Public Health 1921, M.D. 1927 | Member of the House of Chakri, of Siam (Thailand); son of King Chulalongkorn of Siam; father of King Ananda Mahidol (Rama VIII) and King Bhumibol Adulyadej (Rama IX) of Thailand; regarded as the father of modern medicine and public health of Thailand |
| Reg Alcock (1948–2011) | KSG | Member of House of Commons of Canada |
| Tabata Amaral (born 1993) | College 2016 | Member of the Chamber of Deputies of Brazil |
| Murtaza Bhutto (1954–1996) | B.A | Former chairman of the Pakistan Peoples Party (Shaheed Bhutto) |
| Sheikh Dr. Muhammad Sabah Al-Salem Al-Sabah (born 1955) | PhD | Son of late Emir of Kuwait, Sheikh Sabah III Al-Salim Al-Sabah; Ambassador of Kuwait to the United States from 1993 to 2003; Minister of Foreign Affairs of Kuwait from 2003 to 2011; current Deputy Prime Minister of Kuwait; his elder brother is Sheikh Salem Sabah Al-Salem Al-Sabah, former Defense and Interior Minister |
| Emilio Sempris (born 1973) | Sustainability 2021 | Former Minister of Environment of Panama |
| Ray Atherton (1883–1960) | College 1905 | First United States Ambassador to Canada |
| Lalith Athulathmudali (1936–1993) | Law | Sri Lankan Minister of National Security, Minister of Education |
| Pierre Baillargeon (1812–1891) | Medical | Member of Senate of Canada |
| William Barnes Jr. (1866–1930) | Harvard College (1888) | Chairman of the New York Republican State Committee, member of the Republican National Committee |
| Sandy Berger (1945-2015) | Law 1971 | United States National Security Advisor |
| Ben Bernanke | College 1975 | Chair of the Federal Reserve |
| Michael Bloomberg (born 1942) | Business 1966 | Mayor of New York City |
| Rizwan Ahmed | HKS | Senior Pakistani civil servant |
| Tariq Bajwa | HKS | Governor of the State Bank of Pakistan |
| James Berry | Law | Member of British Parliament |
| Julie Bishop (born 1956) | Business, 1996 | Australian Minister for Foreign Affairs |
| Julia Chang Bloch | Government, Grad School 1967 | United States Ambassador to Nepal (under President George H. W. Bush), the first US Ambassador of Asian origin |
| André Boisclair (born 1966) | HKS 2005 | Former leader of Parti Québécois |
| Nick Boles (born 1965) | HKS | Member of British Parliament |
| Frederick William Borden (1847–1917) | Medical 1868 | Member of House of Commons of Canada |
| Alvin Bragg (born 1973) | College 1995; Law 1995 | New York County District Attorney, first to secure a conviction of a former U.S. president |
| L. Paul Bremer (born 1941) | Business 1966 | Ambassador |
| Zbigniew Brzezinski (born 1928) | PhD 1953 | United States National Security Advisor |
| Liam Byrne (born 1970) | Business | Member of British Parliament |
| L. Paul Bremer (born 1941) | Business 1966 | Ambassador |
| Anna Escobedo Cabral (born 1959) | HKS 1990 | Treasurer of the United States |
| Pat Caddell | College 1972 | Pollster |
| Barry Campbell (born 1950) | Law 1977 | Member of House of Commons of Canada |
| Dr. Pedro Albizu Campos (1891–1965) | PhD 1921 | President of the Puerto Rican Nationalist Party; led the Puerto Rican Nationalist Party Revolts of the 1950s |
| Frank T. Caprio (born 1966) | College 1988 | General Treasurer of Rhode Island |
| Robert Cerasoli (born 1945) | HKS 1988 | Massachusetts House of Representatives, Inspector General Commonwealth of Massachusetts, Inspector General New Orleans |
| P. Chidambaram | HBS | Finance Minister of India |
| Newton Ramsay Colter (1844–1917) | Medical 1867 | Member of House of Commons of Canada |
| John Cooper (born 1956) | College | Mayor of Nashville |
| Ross Cranston (born 1948) | Law 1973 | Member of British Parliament |
| Tom Daly (born 1954) | College 1976 | California State Assemblyman, former Mayor of Anaheim, California |
| David Davis (born 1948) | Business 1985 | British politician |
| Nelson Antonio Denis | College 1977 | Former New York State Assemblyman |
| Louis-Léon Lesieur Desaulniers (1823–1896) | College 1846 | Member of House of Commons of Canada |
| W. E. B. Du Bois (1868–1963) | College 1890; A.M. 1891; PhD 1895 | Civil rights leader, African American studies scholar |
| Ralph Earle II | B.S. History 1950 | Chief negotiator of the SALT II arms control agreement |
| Lucie Edwards | HKS 1984 | Canadian diplomat |
| William Ellery (1727–1780) | College 1747 | Signer of United States Declaration of Independence |
| Daniel Ellsberg (born 1931) | College 1952; PhD 1963 | Leaker of the Pentagon Papers |
| John English (born 1945) | Ph.D 1973 | Member of House of Commons of Canada |
| Douglas Feith (born 1953) | College 1975 | U.S. Under Secretary of Defense for Policy |
| Andy Fillmore (born 1966) | GSD 1995 | Member of House of Commons of Canada |
| Dudley Fishburn (born 1946) | College | Member of British Parliament |
| Michèle Flournoy (born 1960) | College 1983 | Under Secretary of Defense for Policy of the United States |
| Nigel Forman (born 1943) | HKS | Member of British Parliament |
| Chrystia Freeland (born 1968) | College | Member of House of Commons of Canada, Deputy Prime Minister of Canada |
| Richard Fuller | | British Member of Parliament |
| Kate Gallego (born 1981) | College 2004 | Mayor of Phoenix |
| David Gergen (born 1942) | Law 1967 | Advisor to four U.S. presidents |
| Carl Gershman (born 1943) | M. Education 1968 | U.N. Representative and National Endowment for Democracy President |
| Herman Goldner (1916–2010) | MBA, c. 1947 | Mayor of St. Petersburg, Florida, 1961–67, 1971–73 |
| Richard N. Goodwin (born 1931) | Law 1958 | Speechwriter for Kennedy and Johnson administrations; author |
| Jennifer Gordon | College 1987, Law 1992 | Founded the Workplace Project; associate professor at Fordham University School of Law |
| Andy Fillmore (born 1966) | GSD 1995 | Member of House of Commons of Canada |
| Jamie Gorelick (born 1950) | College 1972; Law 1975 | Member of 9/11 Commission |
| Barbara Greene (born 1945) | KSG | Member of House of Commons of Canada |
| John Hagelin (born 1954) | PhD 1981 | Third-party presidential candidate |
| Charles Sumner Hamlin (1861–1938) | College 1886 | Chair of the Federal Reserve |
| Will Ford Hartnett (born 1956) | College 1978 | Lawyer from Dallas; member of the Texas House of Representatives |
| Hon. Howard E. Haugerud | | American diplomat |
| Kerry Healey (born 1960) | College 1982 | Lieutenant Governor of Massachusetts |
| James M. Henderson (1921–1995) | Advanced Management Program, Date missing | Founder of top-ranked Henderson Advertising Agency of Greenville, South Carolina; Republican candidate for Lieutenant Governor of South Carolina in 1970 |
| Paul Heroux (born 1976) | MPA 2011 | State Representative from Massachusetts |
| Thomas Wentworth Higginson (1823–1911) | College 1841 | Author, abolitionist, Colonel |
| Alger Hiss (1904–1996) | Law 1929 | Accused of espionage on behalf of the Soviet Union |
| Tom Hockin (born 1938) | KSG | Member of House of Commons of Canada |
| William Hooper (1742–1790) | College 1760 | Signer of United States Declaration of Independence |
| Ken Hughes (born 1954) | KSG 1983 | Member of House of Commons of Canada |
| Rafael Hui (born 1948) | HKS 1983 | Chief Secretary for Administration of Hong Kong |
| Michael Ignatieff (born 1947) | PhD History 1976 | Liberal Party of Canada leader of Her Majesty's loyal opposition; Member of Parliament; scholar; professor; author |
| Mohamad Al Ississ | College BA 2000, GSAS MA 2000, HKS MPAID 2007, HKS/GSAS PhD 2010 | Jordanian Minister of Finance |
| Greville Janner (born 1928) | Law | Member, House of Lords |
| William Jeffrey | PhD | 13th Director, National Institute of Standards and Technology |
| Pauline Jewett (1922–1992) | Ph.D 1949 | Member of House of Commons of Canada |
| Eric Johnson (born 1975) | College 1998 | Mayor of Dallas |
| Henry Kaulback (1830–1896) | College | Member of Senate of Canada |
| Raymond W. Kelly (born 1940) | HKS 1984 | New York City Police Commissioner |
| Caroline Kennedy (born 1957) | Radcliffe 1980 | Writer; daughter of John F. Kennedy; former US Ambassador to Japan |
| Joseph P. Kennedy (1888–1969) | College 1912 | Kennedy political family patriarch |
| Max Kennedy Jr. (born 1993) | College 2016 | political organizer, volunteer, whistleblower |
| Alan Keyes (born 1950) | College 1972; PhD 1979 | U.S. presidential candidate and Senatorial candidate |
| Marc Kielburger (born 1977) | College 1999 | Canadian humanitarian and activist |
| Faik Konitza (1875–1942) | | Writer, Ambassador of Albania to the United States |
| Philip Lader | Law | United States Ambassador to the United Kingdom |
| Anthony Lake (born 1939) | College 1961 | United States National Security Advisor |
| David Lammy (born 1972) | Law 1994 | Member of British Parliament |
| Maurice Lamontagne (1917–1983) | M.A. | Member of Senate of Canada |
| Corliss Lamont (1905–1995) | College 1924, professor | ACLU director, humanist author |
| Horacio Rodríguez Larreta (born 1965) | Business 1993 | Mayor of Buenos Aires |
| Allan Leal (1917-1999) | Law 1957 | President of the Empire Club of Canada; Dean of Osgoode Hall Law School |
| Tobias Lear (1762–1816) | College 1783 | George Washington's personal secretary |
| Dominic LeBlanc (born 1967) | Law | Member of House of Commons of Canada |
| Alfred Lefurgey (1871–1934) | Law 1894 | Member of House of Commons of Canada |
| Charles Lemmond (1929–2012) | A.B. 1952 | Pennsylvania State Senator |
| Lawrence B. Lindsey (born 1954) | A.M. 1981; PhD 1985 | Economist, Director of the National Economic Council |
| Donald Stovel Macdonald (born 1932) | Law | Member of House of Commons of Canada |
| Roderick MacFarquhar (born 1930) | College 1955 | Member of British Parliament |
| Roy MacLaren (born 1934) | AMP 1973 | Member of House of Commons of Canada |
| Cyrus Macmillan (1882–1953) | Ph.D 1909 | Member of House of Commons of Canada |
| Tim Mahoney (born 1949) | MHA 2005 | Mayor of Fargo, North Dakota |
| Nabiel Makarim (born 1945) | HKS 1984 | Indonesian Environmental Minister |
| Michael Marshall (1930–2006) | Business 1960 | Member of British Parliament |
| Crown Princess Masako of Japan (born 1963) | B.A. | Consort of Crown Prince Naruhito, the first son of Emperor Akihito and Empress Michiko; member of the Imperial House of Japan through marriage |
| Timothy Massad (born 1956) | College 1978; Law 1984 | Corporate lawyer at Cravath, Swaine & Moore, U.S. Assistant Secretary of the Treasury for Financial Stability, nominee to chair the Commodity Futures Trading Commission |
| Dan Massey (1942–2013) | Graduate 1969 | Sexual freedom scholar, religious philosopher, human rights activist, chief engineer at BBN Technologies, and senior scientist at Science Applications International Corporation |
| Robert Charles Matthews (1871–1952) | College 1902 | Member of House of Commons of Canada |
| Allan McAvity (1882–1944) | College | Member of House of Commons of Canada |
| Susan McCaw (born 1962) | Business 1988 | US Ambassador to Austria, 2005–07 |
| Dan McCready (born 1983) | Business 2011 | entrepreneur and candidate for US House of Representatives in North Carolina |
| Ezekiel McLeod (1840–1920) | Law 1867 | Member of House of Commons of Canada |
| Ken Mehlman (born 1967) | Law 1991 | former chairman of the Republican National Committee |
| David Miller (born 1958) | Economics (undergrad) 1981 | Mayor of Toronto |
| William Green Miller | | United States Ambassador to Ukraine from 1993 to 1998 |
| Rhodri Morgan (born 1939) | HKS | First Minister of Wales from 2000 to 2009 |
| Daniel Mudd (born 1956) | HKS 1986 | President and CEO of Fannie Mae |
| Abul Maal Abdul Muhith (born 1934) | Business | Economist, diplomat, and language veteran and Finance minister of Bangladesh |
| Kiraitu Murungi (born 1952) | Law 1991 | Minister of Energy in Kenya |
| Ephraim Bell Muttart (1839–1912) | Medical 1861 | Member of House of Commons of Canada |
| Ralph Nader (born 1934) | Law 1958 | Public advocate |
| Naheed Nenshi (born 1972) | JFK School of Government 1998 | Mayor of Calgary |
| Brooks Newmark (born 1958) | College 1980 | Member of British Parliament |
| Archie Norman (born 1954) | Business | Member of British Parliament |
| Grover Norquist (born 1956) | College 1978; Business 1981 | Activist |
| Michelle Obama (born 1964) | Law 1988 | First Lady of the United States, Political Activist |
| Ngozi Okonjo-Iweala (born 1954) | College 1981 | Finance Minister of Nigeria, Foreign Affairs Minister of Nigeria |
| Joe Oliver (born 1940) | Business 1970 | Member of House of Commons of Canada |
| James Otis (1725–1783) | College 1743; A.M. 1746 | Lawyer influential in American Revolution |
| Samuel Allyne Otis (1740–1814) | College 1759 | 1st Secretary of the U.S. Senate |
| Prince Ali-Reza Pahlavi, of Iran (Persia) (1966–2011) | PhD student at the time of his death | Member of the Pahlavi Imperial Family of Iran (Persia); younger son of the former Shah of Iran, Mohammad Reza Pahlavi, and his third wife Empress Farah Pahlavi; second in order of succession to the Iranian throne before the Iranian Revolution |
| Robert Treat Paine (1731–1814) | College 1749 | Signer of United States Declaration of Independence |
| Francis Pangilinan (born 1963) | HKS 1998 | Senator and the Majority Leader of the Senate of the Philippines |
| Clay Pell | | United States Department of Education official |
| George Halsey Perley (1857–1938) | College 1878 | Member of House of Commons of Canada |
| Claire Perry (born 1964) | Business | Member of British Parliament |
| José Piñera (born 1948) | Economics, Grad School M.A. 1972, PhD 1974 | Chile Minister of Labor and Social Security; Minister of Mines (under President Augusto Pinochet) 1978–80; enacted world's first system of private retirement accounts; known as one of the Chicago Boys |
| Loulan Pitre Jr. (born 1961) | Undergraduate 1983, Law 1986 | New Orleans lawyer and former member of the Louisiana House of Representatives for Lafource Parish, Louisiana |
| Jesse Robredo (1958–2012) | M.P.A. 1999 | Secretary of the Department of the Interior and Local Government of the Philippines |
| Stuart Rabner (born 1960) | Law 1984 | New Jersey State Attorney General |
| Mimi Rocah (born 1970) | College 1992 | District Attorney for Westchester County |
| Franklin Raines (born 1949) | College 1971; Law 1976 | Chairman and CEO of Fannie Mae |
| Vivek Ramaswamy (born 1985) | College 2007 | Candidate for president of the United States in 2024 |
| Murray Rankin (born 1950) | Law | Member of House of Commons of Canada |
| Lois Rice (1933–2017) | Radcliffe 1954 | Vice president of the College Board and architect of the Pell Grant |
| Rosa Gumataotao Rios (born 1966) | College 1987 | Treasurer of the United States |
| Maurice Roche, 4th Baron Fermoy (1885–1955) | College 1909 | Member of British Parliament |
| Prince Sadruddin Aga Khan (1933–2003) | College 1954 | Son of Aga Khan III, the 48th Imam of Nizari Ismailism; United Nations High Commissioner for Refugees from 1966 to 1978 |
| Muhammad Al-Sabah Al-Salem Al-Sabah (born 1958) | Law | Foreign Minister of Kuwait |
| Surakiart Sathirathai (born 1958) | Law | Foreign Minister of Thailand |
| G. David Schine (1927–1996) | College 1949 | Entrepreneur, businessman, political activist |
| Klaus Schwab (born 1938) | KSG 1967 | Founder and executive chairman of the World Economic Forum |
| Jyotiraditya Scindia (born 1971) | College 1993 | Indian Member of Parliament and Union Minister of State for IT and Communications |
| Phyllis Schlafly (born 1924) | Graduate School of Arts and Sciences 1945 | Political activist |
| Joel Herbert Seaverns (1860–1923) | College 1881 | Member of British Parliament |
| Nancy Sherman | 1982 | Professor of Philosophy at Georgetown University, military ethicist |
| Faryar Shirzad (born 1966) | HKS | Advisor to U.S. President George W. Bush |
| Bob Shrum (born 1943) | Law 1968 | Political consultant |
| Jayant Sinha (born 1963) | Business, 1992 | Minister of State for Finance, Member of Parliament in the First Modi ministry, former managing director at Omidyar Network, former Partner at McKinsey & Company |
| Jose Solorio (born 1966) | Public Policy | California State Assemblyman |
| Sven Spengemann (born 1966) | Law | Member of House of Commons of Canada |
| Steve Spinner | MBA | Adviser to Obama Campaign, Department of Energy Official |
| Robert Stanfield (1914–2003) | Law | Member of House of Commons of Canada |
| Julian Steele (1906-1970) | College 1929 | Massachusetts' first African-American town meeting moderator, state agency head |
| Jill Stein (born 1950) | College 1973; Medical 1979 | 2012 and 2016 Green Party U.S. presidential nominee |
| Paul Stinchcombe (born 1962) | Law | Member of British Parliament |
| George William Strake Jr. (born 1935) | MBA 1961 | Secretary of State of Texas, 1979–81; Republican state chairman, 1983–88; Houston businessman and philanthropist |
| Subramanian Swamy (born 1939) | Phd Economics 1965 | Former Indian Union Minister of Commerce and Industry |
| Edita Tahiri (born 1956) | HKS 2002 | Founder and leader of independence movement of Kosovo; Minister of Foreign Affairs of Kosovo 1991–2000; Deputy Prime Minister |
| Lorenzo M. Tañada (1898–1992) | Law | Philippine Senator, nationalist and civil libertarian |
| Tina Tchen (born 1956) | College 1978 | Lawyer, Assistant to President Barack Obama; Chief of Staff to First Lady Michelle Obama; Executive Director of the White House Council on Women and Girls |
| Peter Thurnham (1938–2010) | Business 1969 | Member of British Parliament |
| Arthur Tremblay (1917–1996) | M.Ed 1945 | Member of Senate of Canada |
| Sylvester Turner (born 1954) | Law 1980 | Mayor of Houston |
| Thomas Tweedie (1871–1944) | Law 1905 | Member of House of Commons of Canada |
| Bernardo Villegas | PhD in Economics | Economist, presidential advisor, founder of the Center for Research and Communication, led a committee that drafted the 1987 Philippine Constitution |
| Paul Volcker (born 1927) | HKS 1951 | Chairman of the Federal Reserve |
| William Michael Wall (1911–1961) | Ph.D 1954 | Member of Senate of Canada |
| Martha M. Walz (born 1953) | HKS 2000 | Democratic member of the Massachusetts House of Representatives |
| George F. Ward | M.P.A. | Former United States Ambassador to Namibia |
| Joseph Warren (1741–1775) | College 1759; A.M. 1762 | Physician, soldier, activist |
| Princess Maria Carolina Christina of Bourbon-Parma, Duchess of Guernica and Marchioness of Sala (born 1974) | | Member of the Royal and Ducal House of Bourbon-Parma and Dutch Royal Family; fourth and youngest child of Princess Irene of the Netherlands and Carlos Hugo, Duke of Parma |
| Prince Radu of Romania (born 1960) | Executive Program 2004 | Son-in-law of former King Michael I of Romania; in 1996 he married Princess Margarita of Romania, the king's eldest daughter and the Crown Princess of Romania, also known as the "Custodian of the Romanian Crown" |
| Alexander Watson | College 1961 | Ambassador, diplomat |
| Kevin White | HKS 1957 | Mayor of Boston |
| Dean Whiteway (born 1944) | M.A. | Member of House of Commons of Canada |
| Anthony A. Williams | HKS, Law 1987 | Mayor of Washington, DC |
| Gita Wirjawan | HKS, 2000 | Minister of Trade of Indonesia |
| James Wolfensohn (born 1933) | Business 1959 | Ninth President of the World Bank |
| Yam Ah Mee (born 1957) | Business | Returning Officer, Singaporean general election, 2011, former Brigadier General in the Republic of Singapore Air Force |
| Valerie Johnson Zachary (born 1962) | Law J.D. cum laude 1987 | Associate Judge of the North Carolina Court of Appeals, 2015-present |
| Robert Zoellick (born 1953) | Law 1979; HKS 1981 | Eleventh President of the World Bank |
| Shpend Ahmeti (born 1978) | 2004.; HKS Public Administration | Mayor of Prishtina |
| William Williams (1731–1811) | College 1751 | Signer of United States Declaration of Independence |
| Hastings Wyman (born 1939) | Bachelor of Arts 1961 | Political consultant, author, journalist, publisher of The Southern Political Report |
| René Castro (born 1957) | MPA, PHD | FAO Assistant Director General (ADG) of Climate, Biodiversity, Land and Water Department |
| Wang Dan (born 1969) | Ph.D. in history 2008 | Chinese dissident and student leader in the Tiananmen Square protests of 1989 |
| Clara Chou (born 1953) | Master of Public Administration 1987 | Taiwanese journalist, television and radio personality |
| Sun Chanthol (born 1956) | Master's in Public Administration | Cambodian Minister of Public Works and Transport |
| Lin Yi-hsiung (born 1941) | Master of Public Administration 1987 | Former Chairman of the Taiwan's Democratic Progressive Party |
| Miguel Braun (born 1973) | Master and Ph.D. in Economics 2001 | Secretary of Commerce (2015-2018) and Secretary of Economic Policy (2018-2019) of Argentina. |
| Lee Jun-seok (born 1985) | B.A | Leader of the People Power Party of South Korea |
| Kostas Bakoyiannis (born 1978) | MPA | Former Mayor of Athens |
| Han Duck-soo (born 1949) | PHD | Former Prime Minister of South Korea |
| Leopoldo López (born 1971) | Master of Public Policy in HKS 1996 | Venezuelan former Mayor of Chacao and leader of Popular Will |
* Alan Bersin (born 1946), President Obama's "Border Czar," US Attorney for the Southern District of California, California Secretary of Education, Commissioner of US Customs and Border Protection, US Department of Homeland Security Secretary for International Affairs, and INTERPOL vice president
* Abraham Katz (1926–2013), diplomat, United States Ambassador to the OECD