# List of Alpha Omicron Pi chapters

Alpha Omicron Pi is an international collegiate women's fraternity. It was established at Barnard College of Columbia University in 1897.

## Collegiate chapters

In the following list, active chapters are indicated in bold and inactive chapters are indicated in italics.
| No. | Chapter | Charter date and range | Institution | City | State or province | Status |
| 1 | Alpha | January 2, 1897 – 1916; 2013 | Columbia University | New York City | New York | Active |
| 2 | Pi | 1898–1976, 1986–1995, 2000–2004 | Tulane University | New Orleans | Louisiana | Inactive |
| 3 | Nu | 1900–1961 | New York University | New York City | New York | Inactive |
| 4 | Omicron | 1902 | University of Tennessee | Knoxville | Tennessee | Active |
| 5 | Kappa | 1903–1960 | Randolph-Macon Women's College | Lynchburg | Virginia | Inactive |
| 6 | Zeta | 1903 | University of Nebraska–Lincoln | Lincoln | Nebraska | Active |
| 7 | Sigma | 1907–2016 | University of California, Berkeley | Berkeley | California | Inactive |
| 8 | Theta | 1907–1979, 1985–2000 | DePauw University | Greencastle | Indiana | Inactive |
| 9 | Beta | 1908–1908 | Brown University | Providence | Rhode Island | Inactive |
| 10 | Delta | 1908–1969; 1987 – December 11, 2017 | Tufts University | Somerville | Massachusetts | Inactive |
| 11 | Gamma | 1908 | University of Maine | Orono | Maine | Active |
| 12 | Epsilon | 1908–1962, 1989–2008 | Cornell University | Ithaca | New York | Inactive |
| 13 | Rho | 1909–1973 | Northwestern University | Evanston | Illinois | Inactive |
| 14 | Lambda | 1910–1944 | Stanford University | Stanford | California | Inactive |
| 15 | Iota | February 27, 1911 | University of Illinois Urbana-Champaign | Urbana | Illinois | Active |
| 16 | Tau | 1912 | University of Minnesota | Minneapolis | Minnesota | Active |
| 17 | Chi | 1914–1958, 1985–2000 | Syracuse University | Syracuse | New York | Inactive |
| 18 | Upsilon | 1915–1995, 2013–2020 | University of Washington | Seattle | Washington | Inactive |
| 19 | Nu Kappa | 1915–1942 | Southern Methodist University | Dallas | Texas | Inactive |
| 20 | Beta Phi | 1916–1996, 2000 | Indiana University Bloomington | Bloomington | Indiana | Active |
| 21 | Eta | 1917–1942 | University of Wisconsin–Madison | Madison | Wisconsin | Inactive |
| 22 | Alpha Phi | 1917 | Montana State University | Bozeman | Montana | Active |
| 23 | Nu Omicron | 1917–2021 | Vanderbilt University | Nashville | Tennessee | Inactive |
| 24 | Psi | 1918–1958 | University of Pennsylvania | Philadelphia | Pennsylvania | Inactive |
| 25 | Phi | 1918–1969, 1980–1996 | University of Kansas | Lawrence | Kansas | Inactive |
| 26 | Omega | 1919 | Miami University | Oxford | Ohio | Active |
| 27 | Omicron Pi | 1921–1974, 1978–1993, 2017–2020 | University of Michigan | Ann Arbor | Michigan | Inactive |
| 28 | Alpha Sigma | 1923–1989 | University of Oregon | Eugene | Oregon | Inactive |
| 29 | Xi | 1924–1933, 2002 | University of Oklahoma | Norman | Oklahoma | Active |
| 30 | Pi Delta | 1924 | University of Maryland, College Park | College Park | Maryland | Active |
| 31 | Tau Delta | 1925–May 31, 2024 | Birmingham–Southern College | Birmingham | Alabama | Inactive (college closed May 2024) |
| 32 | Kappa Theta | 1925–1973 | University of California, Los Angeles | Los Angeles | California | Inactive |
| 33 | Kappa Omicron | 1925 | Rhodes College | Memphis | Tennessee | Active |
| 34 | Alpha Rho | 1926–1935, 1946–1992, 2013 | Oregon State University | Corvallis | Oregon | Active |
| 35 | Chi Delta | 1927–2009 | University of Colorado Boulder | Boulder | Colorado | Inactive |
| 36 | Beta Theta | 1927–1940 | Butler University | Indianapolis | Indiana | Inactive |
| 37 | Alpha Pi | 1929–1939, 1949–1973, 1976–1980, 2013 | Florida State University | Tallahassee | Florida | Active |
| 38 | Epsilon Alpha | 1929–1973, 1982 | Pennsylvania State University | University Park | Pennsylvania | Active |
| 39 | Theta Eta | 1929–1950 | University of Cincinnati | Cincinnati | Ohio | Inactive |
| 40 | Beta Tau | 1930 | University of Toronto | Toronto | Ontario, Canada | Active |
| 41 | Alpha Tau | 1930–1970 | Denison University | Granville | Ohio | Inactive |
| 42 | Beta Kappa | 1931–1985, 2011 | University of British Columbia | Vancouver | British Columbia, Canada | Active |
| 43 | Alpha Gamma | 1932–1937, 1961 | Washington State University | Pullman | Washington | Active |
| 44 | Delta Phi | 1933–1937, 1978–1983 | University of South Carolina | Columbia | South Carolina | Inactive |
| 45 | Beta Gamma | 1934–1969, 1989 | Michigan State University | East Lansing | Michigan | Active |
| 46 | Lambda Sigma | 1935 | University of Georgia | Athens | Georgia | Active |
| 47 | Sigma Tau | 1938 | Washington College | Chestertown | Maryland | Active |
| 48 | Alpha Omicron | 1938–1980 | Louisiana State University | Baton Rouge | Louisiana | Inactive |
| 49 | Kappa Phi | 1939–1973, 1989 | McGill University | Montreal | Québec, Canada | Active |
| 50 | Pi Kappa | 1941–1973 | University of Texas at Austin | Austin | Texas | Inactive |
| 51 | Theta Psi | 1944 | University of Toledo | Toledo | Ohio | Active |
| 52 | Nu Lambda | 1945–1962, 1976–1990 | University of Southern California | Los Angeles | California | Inactive |
| 53 | Kappa Gamma | 1946–2020 | Florida Southern College | Lakeland | Florida | Inactive |
| 54 | Delta Delta | 1946 | Auburn University | Auburn | Alabama | Active |
| 55 | Chi Sigma | 1947–1951 | Centenary College of Louisiana | Shreveport | Louisiana | Inactive |
| 56 | Delta Sigma | 1948–1970, 1988 | San Jose State University | San Jose | California | Active |
| 57 | Gamma Omicron | 1948 | University of Florida | Gainesville | Florida | Active |
| 58 | Sigma Omicron | 1949 | Arkansas State University | Jonesboro | Arkansas | Active |
| 59 | Iota Alpha | 1950–1981 | Idaho State University | Pocatello | Idaho | Inactive |
| 60 | Phi Omicron | 1950–1985 | Hanover College | Hanover | Indiana | Inactive |
| 61 | Theta Pi | 1951 | Wagner College | Staten Island | New York | Active |
| 62 | Chi Lambda | 1951 | University of Evansville | Evansville | Indiana | Active |
| 63 | Kappa Rho | 1951–1970, 1986 | Western Michigan University | Kalamazoo | Michigan | Active |
| 64 | Sigma Chi | 1952–2020 | Hartwick College | Oneonta | New York | Inactive |
| 65 | Kappa Kappa | 1952 | Ball State University | Muncie | Indiana | Active |
| 66 | Kappa Alpha | 1953 | Indiana State University | Terre Haute | Indiana | Active |
| 67 | Nu Iota | 1954–1982, 1991–2007 | Northern Illinois University | DeKalb | Illinois | Inactive |
| 68 | Phi Alpha | 1955–1978, 2016 | East Tennessee State University | Johnson City | Tennessee | Active |
| 69 | Delta Beta | 1956–1983, 1991 | University of Louisiana at Lafayette | Lafayette | Louisiana | Active |
| 70 | Gamma Sigma | 1956 | Georgia State University | Atlanta | Georgia | Active |
| 71 | Beta Lambda | 1956–2000 | Illinois Wesleyan University | Bloomington | Illinois | Inactive |
| 72 | Phi Lambda | 1957–1982, 2011-2024 | Youngstown State University | Youngstown | Ohio | Inactive |
| 73 | Omega Omicron | 1957–2011 | Lambuth University | Jackson | Tennessee | Inactive |
| 74 | Nu Beta | 1958 | University of Mississippi | Oxford | Mississippi | Active |
| 75 | Lambda Tau | 1958 | University of Louisiana at Monroe | Monroe | Louisiana | Active |
| 76 | Phi Delta | 1958–1995, 2014 | University of Wisconsin–Milwaukee | Milwaukee | Wisconsin | Active |
| 77 | Upsilon Alpha | 1959–1982, 1989–1996 | University of Arizona | Tucson | Arizona | Inactive |
| 78 | Beta Chi | 1959–1981, 2013 | Kentucky Wesleyan College | Owensboro | Kentucky | Active |
| 79 | Zeta Psi | 1960–2005, 2007 | East Carolina University | Greenville | North Carolina | Active |
| 80 | Chi Omicron | 1960–1966 | University of Central Oklahoma | Edmond | Oklahoma | Inactive |
| 81 | Gamma Tau | 1960–1971 | Utah State University | Logan | Utah | Inactive |
| 82 | Rho Sigma | 1961–1973 | Portland State University | Portland | Oregon | Inactive |
| 83 | Delta Omega | 1961 | Murray State University | Murray | Kentucky | Active |
| 84 | Phi Kappa | 1961–1981 | University of Charleston | Charleston | West Virginia | Inactive |
| 85 | Sigma Lambda | 1961–1981 | University of Wisconsin–La Crosse | La Crosse | Wisconsin | Inactive |
| 86 | Beta Pi | 1962–1979 | Eastern Michigan University | Ypsilanti | Michigan | Inactive |
| 87 | Delta Pi | 1962 | University of Central Missouri | Warrensburg | Missouri | Active |
| 88 | Kappa Tau | 1963 | Southeastern Louisiana University | Hammond | Louisiana | Active |
| 89 | Phi Upsilon | 1963–2003, 2012 | Purdue University | West Lafayette | Indiana | Active |
| 90 | Theta Omega | 1963 | Northern Arizona University | Flagstaff | Arizona | Active |
| 91 | Nu Sigma | 1964–1966 | Parsons College | Fairfield | Iowa | Inactive |
| 92 | Lambda Beta | 1965 | California State University, Long Beach | Long Beach | California | Active |
| 93 | Beta Rho | 1965–1988 | University of Montana | Missoula | Montana | Inactive |
| 94 | Alpha Chi | 1965 | Western Kentucky University | Bowling Green | Kentucky | Active |
| 95 | Rho Alpha | 1966–1971 | Pan American University | | Texas | Inactive |
| 96 | Gamma Beta | 1966–1992 | Indiana University of Pennsylvania | Indiana | Pennsylvania | Inactive |
| 97 | Theta Chi | 1966 | Morningside University | Sioux City | Iowa | Active |
| 98 | Tau Omicron | 1966 | University of Tennessee at Martin | Martin | Tennessee | Active |
| 99 | Sigma Sigma | 1966–1968 | St. Norbert College | De Pere | Wisconsin | Inactive |
| 100 | Sigma Rho | 1966 | Slippery Rock University | Slippery Rock | Pennsylvania | Active |
| 101 | Iota Tau | 1966–1984 | University of Wisconsin–Stout | Menomonie | Wisconsin | Inactive |
| 102 | Kappa Pi | 1966–1995 | Ohio Northern University | Ada | Ohio | Inactive |
| 103 | Alpha Delta | 1967 | University of Alabama | Tuscaloosa | Alabama | Active |
| 104 | Sigma Phi | 1967–2022 | California State University, Northridge | Los Angeles | California | Inactive |
| 105 | Lambda Phi | 1967–1973 | University of Wisconsin–Whitewater | Whitewater | Wisconsin | Inactive |
| 106 | Iota Sigma | 1968 | Iowa State University | Ames | Iowa | Active |
| 107 | Gamma Delta | 1969 | University of South Alabama | Mobile | Alabama | Active |
| 108 | Alpha Theta | 1969 | Coe College | Cedar Rapids | Iowa | Active |
| 109 | Chi Pi | 1969–1973 | Northeastern University | Boston | Massachusetts | Inactive |
| 110 | Beta Sigma | 1969–1987, 2016 | Boise State University | Boise | Idaho | Active |
| 111 | Phi Sigma | 1969 | University of Nebraska at Kearney | Kearney | Nebraska | Active |
| 112 | Nu Zeta | 1969–1977 | Chadron State College | Chadron | Nebraska | Inactive |
| 113 | Phi Beta | 1969 | East Stroudsburg University of Pennsylvania | East Stroudsburg | Pennsylvania | Active |
| 114 | Alpha Beta | 1969–1971 | Florida Atlantic University | Boca Raton | Florida | Inactive |
| 115 | Sigma Iota | 1970–1986 | Western Illinois University | Macomb | Illinois | Inactive |
| 116 | Omega Xi | 1970–1985 | Morehead State University | Morehead | Kentucky | Inactive |
| 117 | Theta Kappa | 1970–1974 | West Chester University | West Chester | Pennsylvania | Inactive |
| 118 | Gamma Iota | 1970–1973 | Southern Illinois University | Carbondale | Illinois | Inactive |
| 119 | Lambda Omega | 1971–1982 | Northwest Missouri State University | Maryville | Missouri | Inactive |
| 120 | Lambda Chi | 1971 | LaGrange College | LaGrange | Georgia | Active |
| 121 | Beta Epsilon | 1971–1984 | Bemidji State University | Bemidji | Minnesota | Inactive |
| 122 | Epsilon Iota | 1972–1975 | Eastern Illinois University | Charleston | Illinois | Inactive |
| 123 | Delta Chi | 1972–1995 | University of Delaware | Newark | Delaware | Inactive |
| 124 | Alpha Kappa | 1973–1983 | University of North Alabama | Florence | Alabama | Inactive |
| 125 | Chi Alpha | 1975–1997 | University of California, Davis | Davis | California | Inactive |
| 126 | Sigma Delta | 1976 | Huntingdon College | Montgomery | Alabama | Active |
| 127 | Lambda Iota | 1977–1998, 2014 | University of California, San Diego | San Diego | California | Active |
| 128 | Gamma Alpha | 1978 | George Mason University | Fairfax | Virginia | Active |
| 129 | Upsilon Lambda | 1978 | University of Texas at San Antonio | San Antonio | Texas | Active |
| 130 | Delta Upsilon | 1979–2008 | Duke University | Durham | North Carolina | Inactive |
| 131 | Kappa Delta | 1981–1985, 2015 | Wright State University | Fairborn | Ohio | Active |
| 132 | Kappa Omega | 1982–2019 | University of Kentucky | Lexington | Kentucky | Inactive |
| 133 | Chi Beta | 1982–1997 | University of Virginia | Charlottesville | Virginia | Inactive |
| 134 | Pi Alpha | 1983 | University of Louisville | Louisville | Kentucky | Active |
| 135 | Delta Theta | 1984 | Texas Woman's University | Denton | Texas | Active |
| 136 | Lambda Upsilon | 1984 | Lehigh University | Bethlehem | Pennsylvania | Active |
| 137 | Tau Lambda | 1984 | Shippensburg University of Pennsylvania | Shippensburg | Pennsylvania | Active |
| 138 | Rho Omicron | 1985 | Middle Tennessee State University | Murfreesboro | Tennessee | Active |
| 139 | Beta Delta | 1985–1992 | Villanova University | Villanova | Pennsylvania | Inactive |
| 140 | Gamma Theta | 1985 | University of South Florida | Tampa | Florida | Active |
| 141 | Phi Chi | 1985 | University of Chicago | Chicago | Illinois | Active |
| 142 | Kappa Lambda | 1985 | University of Calgary | Calgary | Alberta, Canada | Active |
| 143 | Gamma Upsilon | 1986–1992 | Saint Leo College | St. Leo | Florida | Inactive |
| 144 | Delta Alpha | 1986–1994 | University of Missouri | Columbia | Missouri | Inactive |
| 145 | Alpha Beta Tau | 1986–1992 | Thomas More College | Crestview Hills | Kentucky | Inactive |
| 146 | Chi Psi | 1986 | California Polytechnic State University, San Luis Obispo | San Luis Obispo | California | Active |
| 147 | Pi Omicron | 1986–1991, 2014 | Austin Peay State University | Clarksville | Tennessee | Active |
| 148 | Sigma Alpha | 1986 | West Virginia University | Morgantown | West Virginia | Active |
| 149 | Rho Beta | 1986–1995, 2008 | Virginia Commonwealth University | Richmond | Virginia | Active |
| 150 | Theta Beta | 1986 | Towson University | Towson | Maryland | Active |
| 151 | Iota Chi | 1986 | University of Western Ontario | London | Ontario, Canada | Active |
| 152 | Zeta Pi | 1987 | University of Alabama at Birmingham | Birmingham | Alabama | Active |
| 153 | Tau Omega | 1987 | Transylvania University | Lexington | Kentucky | Active |
| 154 | Nu Delta | 1987–1998 | Canisius College | Buffalo | New York | Inactive |
| 155 | Epsilon Omega | 1987 | Eastern Kentucky University | Richmond | Kentucky | Active |
| 156 | Epsilon Chi | 1987 | Elon University | Elon | North Carolina | Active |
| 157 | Upsilon Epsilon (First) | 1988–1996 | Parks College | Cahokia | Illinois | Moved |
| 158 | Omega Upsilon | 1988 | Ohio University | Athens | Ohio | Active |
| 159 | Alpha Lambda | 1988 | Georgia Southern University | Statesboro | Georgia | Active |
| 160 | Alpha Psi | 1989 | Bowling Green State University | Bowling Green | Ohio | Active |
| 161 | Delta Psi | 1989–2015 | State University of New York at Albany | Albany | New York | Inactive |
| 162 | Tau Gamma | 1989 | Eastern Washington University | Cheney | Washington | Active |
| 163 | Lambda Eta | 1989 | Grand Valley State University | Allendale | Michigan | Active |
| 164 | Delta Epsilon | 1990 | Jacksonville State University | Jacksonville | Alabama | Active |
| 165 | Psi Delta | 1991–1997 | C.W. Post Campus of Long Island University | Brookville | New York | Inactive |
| 166 | Zeta Kappa | 1992–2002 | Southwest Texas State University | San Marcos | Texas | Inactive |
| 167 | Gamma Chi | 1992 | Carleton University | Ottawa | Ontario, Canada | Active |
| 168 | Kappa Sigma | 1993 | University of Wisconsin–River Falls | River Falls | Wisconsin | Active |
| 169 | Chi Epsilon | 1993–2022 | Ohio State University | Columbus | Ohio | Inactive |
| 170 | Rho Delta | 1995 | Samford University | Homewood | Alabama | Active |
| 171 | Delta Rho | 1996 | DePaul University | Chicago | Illinois | Active |
| 157 | Upsilon Epsilon (Second) | 1996–1997 | Saint Louis University | St. Louis | Missouri | Inactive |
| 172 | Kappa Chi | 1997 | Northwestern State University | Natchitoches | Louisiana | Active |
| 173 | Chi Theta | 1997 | Northeastern State University | Tahlequah | Oklahoma | Active |
| 174 | Epsilon Sigma | 1999-2024 | Quincy University | Quincy | Illinois | Inactive |
| 175 | Lambda Omicron | 1999 | Cumberland University | Lebanon | Tennessee | Active |
| 176 | Epsilon Gamma | 2000 | University of Northern Colorado | Greeley | Colorado | Active |
| 177 | Pi Theta | 2001 | Florida International University | Miami | Florida | Active |
| 178 | Mu Lambda | 2002 | Rollins College | Winter Park | Florida | Active |
| 179 | Sigma Beta | 2005 | Saint Joseph's University | Philadelphia | Pennsylvania | Active |
| 180 | Chi Phi | 2006 | University of South Carolina Aiken | Aiken | South Carolina | Active |
| 181 | Xi Omicron | 2007 | University of Arkansas | Fayetteville | Arkansas | Active |
| 182 | Lambda Alpha | 2007 | University of La Verne | La Verne | California | Active |
| 183 | Delta Xi | 2007 | Rose–Hulman Institute of Technology | Terre Haute | Indiana | Active |
| 184 | Lambda Epsilon | 2008 | University of Waterloo | Waterloo | Ontario, Canada | Active |
| 185 | Delta Lambda | 2008 | Columbus State University | Columbus | Georgia | Active |
| 186 | Sigma Gamma | 2009 | Appalachian State University | Boone | North Carolina | Active |
| 187 | Delta Kappa | 2009–2021 | Washington University in St. Louis | St. Louis | Missouri | Inactive |
| 188 | Beta Zeta | April 24, 2010 | Kennesaw State University | Kennesaw | Georgia | Active |
| 189 | Delta Tau | 2011 | University of Alabama in Huntsville | Huntsville | Alabama | Active |
| 190 | Alpha Nu | 2011 | Ramapo College | Mahwah | New Jersey | Active |
| 191 | Beta Upsilon | 2012 | Bryant University | Smithfield | Rhode Island | Active |
| 192 | Omega Sigma | 2012 | Oklahoma State University–Stillwater | Stillwater | Oklahoma | Active |
| 193 | Theta Iota | 2012 | California State University, San Marcos | San Marcos | California | Active |
| 194 | Lambda Rho | 2012–2020 | Texas Christian University | Fort Worth | Texas | Inactive |
| 195 | Xi Rho | 2012 | Sonoma State University | Rohnert Park | California | Active |
| 196 | Upsilon Beta | 2013 | University of Arkansas–Fort Smith | Fort Smith | Arkansas | Active |
| 197 | Nu Omega | 2013 | Northern Kentucky University | Highland Heights | Kentucky | Active |
| 198 | Iota Theta | 2013 | Monmouth University | Highland Heights | New Jersey | Active |
| 199 | Sigma Theta | 2013 | Sam Houston State University | Huntsville | Texas | Active |
| 200 | Phi Gamma | 2013 | Georgia College & State University | Milledgeville | Georgia | Active |
| 201 | Lambda Delta | 2014 | Dalton State College | Dalton | Georgia | Active |
| 202 | Zeta Theta | 2014-2024 | California State University, Chico | Chico | California | Inactive |
| 203 | Gamma Phi | 2014 | Seton Hall University | South Orange | New Jersey | Active |
| 204 | Alpha Mu | 2014 | Duquesne University | Pittsburgh | Pennsylvania | Active |
| 205 | Alpha Epsilon | 2015 | Wingate University | Wingate | North Carolina | Active |
| 206 | Delta Nu | 2015 | University of Nevada, Reno | Reno | Nevada | Active |
| 207 | Theta Sigma | 2015 | Tarleton State University | Stephenville | Texas | Active |
| 208 | Beta Nu | 2016 | Illinois State University | Normal | Illinois | Active |
| 209 | Beta Eta | 2016 | Gettysburg College | Gettysburg | Pennsylvania | Active |
| 210 | Delta Gamma | 2016 | Missouri State University | Springfield | Missouri | Active |
| 211 | Tau Mu | 2017 | Texas A&M University | College Station | Texas | Active |
| 212 | Lambda Lambda | 2017 | University of Connecticut | Storrs | Connecticut | Active |
| 213 | Theta Delta | 2017 | Troy University | Troy | Alabama | Active |
| 214 | Lambda Psi | 2018 | Arizona State University | Tempe | Arizona | Active |
| | Alpha Omega | | | | | Memorial |
* ↑ Chapter formed from Lambda Sigma Phi, established in 1899. It absorbed Lambda Phi in 1924.
* ↑ Chapter formed from Ah Bing, established in 1902.
* ↑ Chapter formed from Alpha Delta Sigma, established in 1900.
* ↑ Chapter formed from the local group J.F.F., established in 1906.
* ↑ Chapter formed from Delta Sigma, established in 1896. It closed when the college banned Greek letter organizations.
* ↑ Chapter formed from Delta Sigma, established in 1895.
* ↑ The fraternity withdrew the chapter's charter from 1969 to 1989 after its members did not participate in rush to protest the discriminatory rules of the Tufts Panhellenic Council. After being restored, the chapter gave a bid to a transgender student in the fall of 2016. The national fraternity delayed its approval of the bid, resulting in half of the chapter's members leaving in October 2016. Although policies were changed to be inclusive, the national executive board withdrew the chapter's charter on December 11, 2017, citing the chapter's "inability to build their membership to sustain a viable AOII membership experience."
* ↑ Chapter formed from Delta Sigma, established in 1902.
* ↑ Chapter formed from the Walden Club, established in 1907. It closed when the university abolished sororities.
* ↑ Chapter formed from Delta Omicron, established in 1908.
* ↑ Chapter formed from Pi Theta Phi, established in 1910.
* ↑ Chapter formed from Alathea, established in 1917.
* ↑ Chapter formed from Alpha Upsilon, established in 1911.
* ↑ Chapter formed from Aneves Club, established in 1915.
* ↑ Chapter formed from Alpha Alpha, established in 1916. It closed due to a lack of members.
* ↑ Chapter formed from Pi Sigma, established in 1916.
* ↑ Chapter formed from Beta Gamma, established in 1917.
* ↑ Chapter formed from Kappa Tau Sigma, established in 1911.
* ↑ Chapter formed from Omicron Pi, established in 1920.
* ↑ Chapter formed from Alpha Sigma, established in 1920.
* ↑ Chapter formed from Omicron Tau, established in 1920.
* ↑ Chapter formed from Lambda Tau, established in 1920.
* ↑ Chapter formed from Tau Delta, established in 1919.
* ↑ Chapter formed from Beta Chi Nu, established in 1919.
* ↑ Chapter formed from Kappa Omicron, established in 1924.
* ↑ Chapter formed from Alpha Rho, established in 1918.
* ↑ Chapter formed from Chi Delta, established in 1926.
* ↑ Chapter formed from Omicron Pi, established in 1925.
* ↑ Chapter formed from Arete Club, established in 1922.
* ↑ Chapter formed from Theta Eta, established in 1925.
* ↑ Chapter formed from Beta Tau, established in 1929.
* ↑ Chapter formed from Alpha Tau Delta, established in 1926.
* ↑ Chapter formed from Alpha Sigma Alpha, established in 1930.
* ↑ Chapter formed from Alpha Gamma, established in 1921.
* ↑ Chapter formed from Pi Delta Phi, established in 1930.
* ↑ Chapter formed from Beta Gamma, established in 1931.
* ↑ Chapter formed from Sigma Tau Delta, established in 1931.
* ↑ Chapter formed from Alpha Omicron, established in 1937.
* ↑ Chapter formed from the local group Kappa Phi.
* ↑ Chapter formed from Phi Theta Psi, established in 1920.
* ↑ Chapter formed from Kappa Gamma Tau, established in 1925.
* ↑ Chapter formed from Phi Omega Pi, established in 1923.
* ↑ Chapter formed from Delta Beta Sigma, established in 1939.
* ↑ Chapter formed from Alpha Sigma, established in 1935.
* ↑ Chapter formed from Theta Pi Epsilon, established in 1941.
* ↑ Chapter formed from the Castalian Literary Society, established in 1905.
* ↑ Chapter formed from Pi Kappa Rho, established in 1934. After going dormant, it reformed from Chi Delphia, established in 1984.
* ↑ Chapter formed from Sigma Delta Nu, established in 1929.
* ↑ Chapter formed from Kappa Kappa, established in 1922.
* ↑ Chapter formed from Kappa Kappa, established in 1906.
* ↑ Chapter formed from Phi Alpha, established in 1945.
* ↑ Chapter formed from Delta Theta Sigma, established in 1917.
* ↑ Chapter formed from Gamma Delta Theta, established in 1954.
* ↑ Chapter formed from Phi Lambda Delta, established in 1927. After dormancy, it reformed from Alpha Omega Pi, established in 1977.
* ↑ Chapter formed from Omega Upsilon Lambda, established in 1926. It went defunct when Lambuth University closed in June 2011.
* ↑ Chapter formed from Phi Lambda Tau, established in 1950.
* ↑ Chapter formed from Phi Delta, established in 1957.
* ↑ Chapter formed from Alpha Beta Chi, established in 1926. After going dormant, it reformed from Theta Omega, established in 2009.
* ↑ Chapter formed from the Criterean Club, established in 1912.
* ↑ Chapter formed from Beta Gamma, established in 1959.
* ↑ Chapter formed from Kappa Epsilon Phi, established in 1959.
* ↑ Chapter formed from Delta Omega, established in 1951.
* ↑ Chapter formed from Phi Kappa Kappa, established in 1928.
* ↑ Chapter formed from Sigma Lambda Sigma, established in 1910.
* ↑ Chapter formed from Beta Pi Gamma, established in 1956.
* ↑ Chapter formed from Pi Delta Pi, established in 1961.
* ↑ Chapter formed from Kappa Rho, established in 1929.
* ↑ Chapter formed from Theta Omega, established in 1960.
* ↑ Chapter went dormant when the college closed.
* ↑ Chapter formed from Kappa Delta Alpha, established in 1963.
* ↑ Chapter formed from Kappa Phi Delta, established in 1965.
* ↑ Chapter formed from Theta Chi Omega, established in 1964.
* ↑ Chapter formed from Phi Lambda Sigma, established in 1959.
* ↑ Chapter formed from Alpha Pi, established in 1968.
* ↑ Chapter formed from Alpha Theta Tau, established in 1966.
* ↑ Chapter formed from Chi Pi Epsilon, established in 1961.
* ↑ Chapter formed from Phi Sigma Phi, established in 1967.
* ↑ Chapter formed from Delta Beta Phi, established in 1966.
* ↑ Chapter formed from Alpha Beta, established in 1967.
* ↑ Chapter formed from Sisters of Western Women, established in 1969.
* ↑ Chapter formed from Delta Omega Xi, established in 1967.
* ↑ Chapter formed from Kappa Theta, established in 1968.
* ↑ Chapter formed from Alpha Phi Beta, established in 1918.
* ↑ Chapter formed from Beta Phi Epsilon, established in 1965.
* ↑ Chapter formed from Delta Chi, established in 1968.
* ↑ Chapter formed from Kappa Delta Chi, established in 1967.
* ↑ Chapter formed from Chi Sigma, established in 1981.
* ↑ Chapter formed from Alpha Pi, established in 1980.
* ↑ Chapter formed from Lambda Zeta Pi, established in 1977.
* ↑ Chapter formed from Pi Beta Delta, established in 1981.
* ↑ Chapter formed from Beta Kappa Lambda, established in 1983.
* ↑ Chapter formed from Gamma Upsilon, established in 1985.
* ↑ Chapter formed from W.I.N.S., established in 1985.
* ↑ Chapter formed from Phi Omega.
* ↑ Chapter formed from Theta Beta, established in 1984.
* ↑ Chapter formed from Zeta Kappa, established in 1985.
* 1 2 Chapter was chartered at Parks College in Cahokia, Illinois. The college was absorbed by St. Louis University and the chapter moved to St. Louis, Missouri in 1996. It did not survive the disruption.
* ↑ The sorority has held this group's charter "in trust" since December 2014, meaning that the chapter was suspended. However, a group continued to operate under the same name, which may have been/be a violation of the trademark. The police arrested seven members of this (former, now clandestine?) chapter after noise complaints led to allegations of hazing in November 2016. The university noted that the sorority was off campus, and was not recognized by the school.
* ↑ Kappa Beta Gamma, established in 1986.
* ↑ Chapter formed from Delta Alpha Gamma.
* ↑ Chapter formed from Psi Psi Psi, established in 1986.
* ↑ Chapter formed from Zeta Kappa, established in 1989.
* ↑ Chapter formed from Gamma Omicron Pi, established in 1988.
* ↑ Chapter formed from S.S.S.S., established in 1990.
* ↑ Chapter formed from Chi Epsilon Theta, established in 1991.
* ↑ Chapter formed from Kappa Theta, established in 1998.
* ↑ Chapter formed from S.I.G., established in 2004.
* ↑ Chapter formed from Alpha Delta Omega, established in 2003.

## Alumnae chapters

In the following list, active chapters are indicated in bold and inactive chapters are indicated in italics.
| Chapter | Charter date | State or province | Status |
| Acadiana Alumnae | | Louisiana | Active |
| Aiken, South Carolina Alumnae | | South Carolina | Active |
| Alaska Alumnae | | Alaska | Active |
| Ann Arbor Alumnae | | Michigan | Inactive |
| Athens Alumnae | | Georgia | Active |
| Atlanta Alumnae | | Georgia | Active |
| Austin Alumnae | | Texas | Active |
| Baltimore Alumnae | | Maryland | Active |
| Baton Rouge Alumnae | | Louisiana | Active |
| Birmingham Alumnae | | Alabama | Active |
| Bloomington–Normal Alumnae | | Illinois | Active |
| Boston Alumnae | | Massachusetts | Active |
| Bowling Green Alumnae | | Kentucky | Active |
| Bozeman Alumnae | | Montana | Active |
| Bucks County Alumnae | | Pennsylvania | Active |
| Buffalo Alumnae | | New York | Active |
| Calgary Alumnae | | Alberta | Active |
| Central Connecticut Alumnae | | Connecticut | Active |
| Central Kentucky Bluegrass Alumnae | | Kentucky | Active |
| Central New Jersey Alumnae | | New Jersey | Active |
| Central New Mexico Alumnae | | New Mexico | Active |
| Champaign–Urbana Alumnae | | Illinois | Active |
| Charleston Alumnae | | South Carolina | Active |
| Charlotte Alumnae | | North Carolina | Active |
| Chattanooga Alumnae | | Tennessee | Active |
| Chicago City Alumnae | | Illinois | Active |
| Chicago North Shore Alumnae | | Illinois | Inactive |
| Chicago Northwest Suburban Alumnae | | Illinois | Active |
| Chicago South Suburban Alumnae | | Illinois | Active |
| Chicago West Suburban Alumnae | | Illinois | Active |
| Cincinnati Alumnae | | Ohio | Merged |
| Cleveland Area Alumnae | | Ohio | Active |
| Cleveland West Alumnae | | Ohio | Inactive |
| College Station Alumane | | Texas | Active |
| Columbus Alumnae | | Ohio | Active |
| Dallas Alumnae | | Texas | Active |
| Dayton Alumnae | | Ohio | Active |
| Dearborn Alumnae | | Michigan | Active |
| DeKalb–Kane Alumnae | | Illinois | Active |
| Delaware Alumnae | | Delaware | Active |
| Denton County Alumnae | | Texas | Inactive |
| Denver Alumnae | May 16, 1927 | Colorado | Active |
| Detroit North Suburban Alumnae | | Michigan | Active |
| East Bay Alumnae | | California | Active |
| Eastern Iowa Alumnae | | Iowa | Active |
| El Paso Alumnae | | Texas | Active |
| Evansville Tri-State Alumnae | | Indiana | Active |
| Fort Lauderdale Alumnae | | Florida | Active |
| Fort Worth Area | | Texas | Active |
| Grand Rapids Alumnae | | Michigan | Inactive |
| Greater Erie Alumnae | | Pennsylvania | Inactive |
| Greater Gadsden Alumnae | | Alabama | Inactive |
| Greater Greenville Alumnae | | North Carolina | Active |
| Greater Harrisburg Alumnae | | Pennsylvania | Active |
| Greater Jackson Alumnae | | Mississippi | Active |
| Greater Kansas City Alumnae | | Missouri | Active |
| Greater Lee County Alumnae | | Florida | Inactive |
| Greater Los Angeles Alumnae | | California | Active |
| Greater Miami Alumnae | | Florida | Inactive |
| Greater Pensacola Alumnae | | Florida | Inactive |
| Greater Pinellas Alumnae | | Florida | Active |
| Greater Portland Alumnae | | Maine | Active |
| Greater Sacramento Valley Alumnae | | California | Active |
| Greater Vancouver Region Alumnae | | British Columbia | Active |
| Green Bay-Fox Cities Alumnae | | Wisconsin | Active |
| Hammond Area Alumnae | | Louisiana | Active |
| Houston Alumnae | | Texas | Active |
| Huntsville Alumnae | | Alabama | Active |
| Indianapolis Alumnae | | Indiana | Active |
| Inland Empire Alumnae | | California | Active |
| Jersey Shore Alumnae | | New Jersey | Active |
| Jonesboro Alumnae | | Arkansas | Active |
| Kalamazoo Area Alumnae | | Michigan | Active |
| Kearney Alumnae | | Nebraska | Active |
| Kentuckiana Alumnae | | Kentucky | Active |
| Kentucky Lakes Alumnae | | Kentucky | Inactive |
| Knoxville Alumnae | | Tennessee | Active |
| Lake County of Illinois Alumnae | | Illinois | Active |
| Lehigh Valley Alumnae | | Pennsylvania | Inactive |
| Lexington Alumnae | | Kentucky | Active |
| Lincoln Alumnae | | Nebraska | Active |
| Little Rock Area Alumnae | | Arkansas | Active |
| Long Beach Alumnae | | California | Inactive |
| Long Island Alumnae | | New York | Active |
| Las Vegas Alumnae | | Nevada | Active |
| Macomb County Alumnae | | Michigan | Active |
| Madison Alumnae | | Wisconsin | Active |
| Mahoning Valley Alumnae | | Ohio | Active |
| Memphis Area Alumnae | | Tennessee | Active |
| Mid-Missouri Alumnae | | Missouri | Active |
| Middle Georgia Alumnae | | Georgia | Inactive |
| Milwaukee Alumnae | | Wisconsin | Active |
| Minneapolis/St. Paul Alumnae | | Minnesota | Active |
| Mobile Alumnae | | Alabama | Active |
| Mahoning Valley Alumnae | | Ohio | Active |
| Monroe Alumnae | | Louisiana | Active |
| Montgomery Alumnae | | Alabama | Inactive |
| Montreal Alumnae | | Quebec | Active |
| Muncie Alumnae | | Indiana | Inactive |
| Nashville Area Alumnae | | Tennessee | Active |
| New Hampshire Alumnae | | New Hampshire | Active |
| New Orleans Area Alumnae | | Louisiana | Active |
| New York Capital Region Alumnae | | New York | Inactive |
| New York City Area Alumnae | | New York | Active |
| New York/New Jersey Metro Alumnae | | New York | Active |
| North Bay Alumnae | | California | Inactive |
| North Carolina Foothills Alumnae | | North Carolina | Active |
| Northeast Oklahoma | | Arkansas | Inactive |
| Northern Arizona Alumnae | | Arizona | Active |
| Northern Kentucky/Cincinnati Area Alumnae | | Kentucky | Active |
| Northern New Jersey Alumnae | | New Jersey | Active |
| Northern Orange County Alumnae | | California | Active |
| Northern Virginia Alumnae | | Virginia | Active |
| Northwest Arkansas Alumnae | | Arkansas | Active |
| Northwest Georgia Alumnae | | Georgia | Active |
| Oklahoma City Metro Area Alumnae | | Oklahoma | Active |
| Omaha Alumnae | | Nebraska | Inactive |
| Orlando Area Alumnae | | Florida | Active |
| Ottawa Alumnae | | Ontario | Active |
| Oxford Area | | Mississippi | Active |
| Palm Beach County Alumnae | | Florida | Active |
| Palo Alto Alumnae | | California | Active |
| Palouse Area Alumnae | | Washington | Inactive |
| Philadelphia Alumnae | | Pennsylvania | Active |
| Piedmont Alumane of North Carolina | | North Carolina | Active |
| Phoenix Alumnae | | Arizona | Active |
| Pocatello Alumnae | | Idaho | Active |
| Portland Alumnae | | Oregon | Active |
| Reno-Tahoe Alumnae | | Nevada | Active |
| Rhode Island Alumnae | | Rhode Island | Active |
| Richmond Area Alumnae | | Virginia | Active |
| Rochester Alumnae | | New York | Active |
| Rocky Mountain Alumnae | | Colorado | Inactive |
| St. Louis Alumnae | | Missouri | Active |
| Salt Lake City Alumnae | | Utah | Inactive |
| San Antonio Alumnae | | Texas | Active |
| San Diego Alumnae | | California | Active |
| San Fernando Valley Alumnae | | California | Active |
| San Francisco Alumnae | | California | Active |
| San Gabriel Valley Alumnae | | California | Active |
| San Jose Alumnae | | California | Active |
| San Mateo Alumnae | | California | Active |
| Santa Barbara Alumnae | | California | Inactive |
| Sarasota Area Alumnae | | Florida | Active |
| Savannah Alumnae | | Georgia | Inactive |
| Sea to Sky Alumnae | | British Columbia | Active |
| Seattle Alumnae | | Washington | Active |
| Shreveport Area Alumnae | | Louisiana | Active |
| South Bay/Palos Verdes Alumnae | | California | Inactive |
| Southern Orange County Alumnae | | California | Active |
| Southport Alumnae | | North Carolina | Inactive |
| Southwestern Ontario Alumnae | | Ontario | Inactive |
| State College Alumnae | | Pennsylvania | Active |
| Suburban Maryland Alumnae | | Maryland | Active |
| Tallahassee Alumnae | | Florida | Active |
| Tampa Bay Alumnae | | Florida | Active |
| Terre Haute Alumnae | | Indiana | Inactive |
| Toledo Area Alumnae | | Ohio | Active |
| Treasure Valley Aumnae | | Idaho | Active |
| Triangle Alumnae | | North Carolina | Active |
| Toronto Area Alumnae | | Ontario | Active |
| Tucson Alumnae | | Arizona | Inactive |
| Tulsa Alumnae | | Oklahoma | Active |
| Tuscaloosa Alumnae | | Alabama | Inactive |
| Ventura County Alumnae | | California | Active |
| Virginia Tidewater Alumnae | | Virginia | Active |
| Western Potomac Area Alumnae | | Virginia | Active |
| Williamsburg Alumnae | | Virginia | Active |
| Winston–Salem Alumnae | | North Carolina | Inactive |
* ↑ Chapter merged with the Northern Kentucky Alumnae chapter
* ↑ Chapter started as the Northern Kentucky Alumnae chapter but changed its name when it merged with the Cincinnati Alumnae chapter.