# List of members of the Canadian House of Commons with military service (D)

| Name | Elected party | Constituency | Elected date | Military service |
| John Waterhouse Daniel | Conservative | City of St. John | February 16, 1904 | United States Army (1865-1871) |
| Barnett Jerome Danson | Liberal | York North | June 25, 1968 | Canadian Army (1939-1945) |
| Vincent Martin Dantzer | Progressive Conservative | Okanagan North | February 18, 1980 | Royal Canadian Air Force (1942-1946) |
| Donald Watson Davis | Conservative | Alberta | February 22, 1887 | United States Army |
| John "Jack" Davis | Liberal | Coast—Capilano | June 18, 1962 | Royal Canadian Air Force |
| Grant Deachman | Liberal | Vancouver Quadra | April 8, 1963 | Canadian Army |
| Walter Deakon | Liberal | High Park | June 25, 1968 | Royal Canadian Air Force (1943-1945) |
| Azellus Denis | Liberal | St. Denis | October 14, 1935 | Canadian Army |
| Louis Deniset | Liberal | St. Boniface | June 10, 1957 | Canadian Army (1954-1957) |
| Frederick Charles Denison | Conservative | West Toronto | February 22, 1887 | Militia (1884-1885) |
| Louis Léon Lesieur Desaulniers | Conservative | Saint Maurice | September 20, 1867 | Militia |
| Louis-Georges Desjardins | Conservative | Montmorency | July 25, 1890 | Militia (1884-1898) |
| Édouard Desrosiers | Progressive Conservative | Hochelaga—Maisonneuve | September 4, 1984 | Canadian Army (1952-1954) |
| Alexis Dessaint | Liberal | Kamouraska | February 22, 1887 | Militia (1883-1890) |
| Bernard Devlin | Liberal | Montreal Centre | January 12, 1875 | Militia (1866-) |
| Edgar Dewdney | Conservative | Yale | October 12, 1872 | Militia |
| John Horace Dickey | Liberal | Halifax | July 14, 1947 | Canadian Army (1946-1947) |
| John Diefenbaker | Conservative | Lake Centre | March 26, 1940 | Canadian Army (1916-1917) |
| Walter Gilbert Dinsdale | Progressive Conservative | Brandon | June 25, 1951 | Royal Canadian Air Force (1941-1945) |
| Joseph-Alfred Dion | Independent Liberal | Lake St. John—Roberval | June 11, 1945 | Canadian Army (1917-1919) |
| Charles Joseph Doherty | Conservative | St. Anne | October 26, 1908 | Militia (1885) |
| James Domville | Conservative | King's | October 12, 1872 | Militia |
| Samuel James Donaldson | Conservative | Prince Albert | February 1, 1915 | Canadian Army (1915-1917) |
| Frédéric Dorion | Independent | Charlevoix—Saguenay | November 30, 1942 | Royal Air Force |
| Tommy Douglas | Co-operative Commonwealth Federation | Weyburn | October 14, 1935 | Canadian Army (1940-) |
| Robert Doull | Liberal-Conservative | Pictou | October 12, 1872 | Militia |
| George Alexander Drew | Progressive Conservative | Carleton | December 20, 1948 | Canadian Army |
| Robert Earle Drope | Progressive Conservative | Northumberland | June 11, 1945 | Canadian Army |
| Claude Drouin | Liberal | Beauce | June 2, 1997 | Canadian Forces Air Command |
| Charles "Bud" Drury | Liberal | Saint-Antoine—Westmount | June 18, 1962 | Canadian Army (1933-1970), Royal Canadian Air Force (1935-1936) |
| Joseph Dubuc | Conservative | Provencher | September 17, 1878 | Militia (1871-1874) |
| Henri Jules Juchereau Duchesnay | Nationalist Conservative | Dorchester | February 22, 1887 | Militia (1880-1887) |
| Louis Duclos | Liberal | Montmorency | July 8, 1974 | Canadian Army |
| Joseph Duguay | Conservative | Yamaska | October 12, 1872 | Militia (1858-1882) |
| Armand Dumas | Liberal | Villeneuve | June 27, 1949 | Canadian Army (1940-1944) |
| Joseph Dumont | Liberal | Kamouraska | September 17, 1878 | Papal Army (1869-) |
| Christopher Dunkin | Conservative | Brome | September 20, 1867 | Militia |
| Maurice Dupras | Liberal | Labelle | November 16, 1970 | Royal Canadian Air Force (1942-1945) |