# List of Gamma Iota Sigma chapters

Gamma Iota Sigma is a collegiate professional fraternity, founded in 1966 at Ohio State University. In the following list of chapters, active chapters are indicated in bold and inactive chapters are in italic.
| Chapter | Chartered date and range | Institution | Location | Status |
| Alpha | April 16, 1966 | Ohio State University | Columbus, Ohio | Active |
| Beta | November 10, 1967 | Bowling Green State University | Bowling Green, Ohio | Active |
| Gamma | March 11, 1969 | University of Cincinnati | Cincinnati, Ohio | Active |
| Delta | October 21, 1970 – xxxx ? | Orange Coast College | Costa Mesa, California | Inactive |
| Epsilon | March 3, 1972 | University of Alabama | Tuscaloosa, Alabama | Active |
| Zeta | February 24, 1973 | Georgia State University | Atlanta, Georgia | Active |
| Eta | February 21, 1975 | University of Georgia | Athens, Georgia | Active |
| Theta | October 19, 1975 – xxxx ? | Louisiana State University | Baton Rouge, Louisiana | Inactive |
| Iota | October 4, 1975 | Florida State University | Tallahassee, Florida | Active |
| Kappa | October 29, 1975 | Arizona State University | Tempe, Arizona | Active |
| Lambda | October 16, 1976 | University of South Carolina | Columbia, South Carolina | Active |
| Mu | October 16, 1976 | University of Mississippi | Oxford, Mississippi | Active |
| Nu | May 7, 1977 | Central Michigan University | Mount Pleasant, Michigan | Active |
| Xi | February 12, 1978 | University of Connecticut | Storrs, Connecticut | Active |
| Omicron | April 14, 1978 – xxxx ? | Arkansas State University | Jonesboro, Arkansas | Inactive |
| Pi | April 3, 1978 | Mississippi State University | Starkville, Mississippi | Active |
| Rho | April 25, 1979 | Appalachian State University | Boone, North Carolina | Active |
| Sigma | November 21, 1980 | Temple University | Philadelphia, Pennsylvania | Active |
| Tau | February 4, 1981 | Howard University | Washington, D.C. | Active |
| Upsilon | April 29, 1981 – xxxx ?; 2013 | Ferris State University | Big Rapids, Michigan | Active |
| Phi | April 17, 1982 | Ball State University | Muncie, Indiana | Active |
| Chi | May 1, 1982 | Drake University | Des Moines, Iowa | Active |
| Psi | April 19, 1983 | Eastern Kentucky University | Richmond, Kentucky | Active |
| Omega | March 29, 1984 | Middle Tennessee State University | Murfreesboro, Tennessee | Active |
| Alpha Alpha | September 23, 1986 | Olivet College | Olivet, Michigan | Active |
| Alpha Beta | February 15, 1989 – xxxx ? | Pennsylvania State University | University Park, Pennsylvania | Inactive |
| Alpha Gamma | February 15, 1989 – xxxx ? | University of Pennsylvania | Philadelphia, Pennsylvania | Inactive |
| Alpha Delta | March 15, 1989 | La Salle University | Philadelphia, Pennsylvania | Active |
| Alpha Epsilon | February 12, 1990 | Indiana State University | Terre Haute, Indiana | Active |
| Alpha Zeta | February 1, 1991 – xxxx ? | University of Memphis | Memphis, Tennessee | Inactive |
| Alpha Eta | April 26, 1991 | California State University, Sacramento | Sacramento, California | Inactive |
| Alpha Theta | May 11, 1991 – xxxx ? | St. Cloud State University | St. Cloud, Minnesota | Inactive |
| Alpha Iota | November 21, 1991 | St. John's University | New York City, New York | Active |
| Alpha Kappa | November 21, 1991 | Illinois State University | Normal, Illinois | Active |
| Alpha Lambda | September 30, 1993 | Missouri State University | Springfield, Missouri | Active |
| Alpha Mu | April 21, 1994 | Virginia Commonwealth University | Richmond, Virginia | Active |
| Alpha Nu | May 4, 1996 | Ohio University | Athens, Ohio | Active |
| Alpha Xi | May 7, 1998 | Morgan State University | Baltimore, Maryland | Active |
| Alpha Omicron | February 5, 1999 | University of Hartford | West Hartford, Connecticut | Active |
| Alpha Pi | February 23, 2001 | Baylor University | Waco, Texas | Active |
| Alpha Rho | October 4, 2001 – 20xx ? | Fanshawe College | London, Ontario, Canada | Inactive |
| Alpha Sigma | November 9, 2001 – 20xx ? | University of Louisiana at Monroe | Monroe, Louisiana | Inactive |
| Alpha Tau | February 27, 2003 | University of North Carolina at Charlotte | Charlotte, North Carolina | Active |
| Alpha Upsilon | April 11, 2003 | University of Houston | Houston, Texas | Active |
| Alpha Phi | April 15, 2003 | Old Dominion University | Norfolk, Virginia | Active |
| Alpha Chi | October 2, 2004 | Bradley University | Peoria, Illinois | Active |
| Alpha Psi | October 8, 2005 | University of Central Arkansas | Conway, Arkansas | Active |
| Alpha Omega | June 9, 2006 | Saint Joseph's University | Philadelphia, Pennsylvania | Active |
| Beta Alpha | April 27, 2007 | University of Iowa | Iowa City, Iowa | Active |
| Beta Beta | November 28, 2007 | New Mexico State University | Las Cruces, New Mexico | Active |
| Beta Gamma | February 8, 2008 | California State University, Fullerton | Fullerton, California | Active |
| Beta Delta | November 13, 2008 – 20xx ? | Utica University | Utica, New York | Inactive |
| Beta Epsilon | November 22, 2008 | University of Central Oklahoma | Edmond, Oklahoma | Active |
| Beta Zeta | February 18, 2012 | University of North Texas | Denton, Texas | Active |
| Beta Eta | April 22, 2013 | Northern Michigan University | Marquette, Michigan | Active |
| Beta Theta | October 3, 2013 | East Carolina University | Greenville, North Carolina | Active |
| Beta Iota | November 1, 2013 | Troy University | Troy, Alabama | Active |
| Beta Kappa | March 21, 2014 | University of Houston–Downtown | Houston, Texas | Active |
| Beta Lambda | April 15, 2014 | Butler University | Indianapolis, Indiana | Active |
| Beta Mu | April 26, 2014 | University of Colorado Denver | Denver, Colorado | Active |
| Beta Nu | November 7, 2014 | Kent State University | Kent, Ohio | Active |
| Beta Xi | November 10, 2014 | St. Mary's University, Texas | San Antonio, Texas | Active |
| Beta Omicron | November 20, 2014 – 20xx ? | Columbia University | New York City, New York | Inactive |
| Beta Pi | February 19, 2015 | University of St. Thomas | Saint Paul, Minnesota | Active |
| Beta Rho | October 22, 2015 – 20xx ? | University of Wisconsin–Oshkosh | Oshkosh, Wisconsin | Inactive |
| Beta Sigma | November 12, 2015 | University of Southern Maine | Portland, Maine | Active |
| Beta Tau | December 6, 2015 | University of Pittsburgh | Pittsburgh, Pennsylvania | Active |
| Beta Upsilon | February 12, 2016 – 20xx ? | University of Hawaiʻi – West Oʻahu | Kapolei, Hawaii | Inactive |
| Beta Phi | March 5, 2016 | University of Texas at Dallas | Richardson, Texas | Active |
| Beta Chi | April 29, 2016 | University of Massachusetts Amherst, | Amherst, Massachusetts | Active |
| Beta Psi | September 9, 2016 | University of Missouri | Columbia, Missouri | Active |
| Beta Omega | December 6, 2016 | Ohio Dominican University | Columbus, Ohio | Active |
| Gamma Alpha | March 29, 2017 | Gallaudet University | Washington, D.C. | Active |
| Gamma Beta | September 14, 2017 | University of Akron | Akron, Ohio | Active |
| Gamma Gamma | October 14, 2017 | Iowa State University | Ames, Iowa | Active |
| Gamma Delta | December 2, 2017 | Northwood University | Midland, Michigan | Active |
| Gamma Epsilon | November 9, 2018 | North Central College | Naperville, Illinois | Active |
| Gamma Zeta | November 10, 2018 | University of Texas at Austin | Austin, Texas | Active |
| Gamma Eta | November 30, 2018 | Mercer University | Macon, Georgia | Active |
| Gamma Theta | December 6, 2018 | University of Texas at El Paso | El Paso, Texas | Active |
| Gamma Iota | February 7, 2019 | University of Nebraska–Lincoln | Lincoln, Nebraska | Active |
| Gamma Kappa | February 21, 2019 | Mercyhurst University | Erie, Pennsylvania | Active |
| Gamma Lambda | April 18, 2019 | University of Illinois Urbana-Champaign | Champaign and Urbana, Illinois | Active |
| Gamma Mu | September 20, 2019 | Lansing Community College | Lansing, Michigan | Active |
| Gamma Nu | September 27, 2019 | Samford University | Homewood, Alabama | Active |
| Gamma Xi | September 27, 2019 | Texas Christian University | Fort Worth, Texas | Active |
| Gamma Omicron | November 7, 2019 | University of Southern California | Los Angeles, California | Active |
| Gamma Pi | November 15, 2019 | University of Mount Union | Alliance, Ohio | Active |
| Gamma Rho | February 29, 2020 | Bentley University | Waltham, Massachusetts | Active |
| Gamma Sigma | December 10, 2020 | University of Baltimore | Baltimore, Maryland | Active |
| Gamma Tau | December 10, 2020 – 202x ? | University of Louisiana at Lafayette | Lafayette, Louisiana | Inactive |
| Gamma Upsilon | December 10, 2020 | University of Minnesota | Minneapolis and Saint Paul, Minnesotapd | Active |
| Gamma Phi | December 10, 2020 | Utah Valley University | Orem, Utah | Active |
| Gamma Chi | November 19, 2021 | Slippery Rock University | Slippery Rock, Pennsylvania | Active |
| Gamma Psi | December 3, 2021 | University of Virginia | Charlottesville, Virginia | Active |
| Gamma Omega | September 30, 2022 | University of Wisconsin–Madison | Madison, Wisconsin | Active |
| Delta Alpha | September 30, 2022 | Northern Arizona University | Flagstaff, Arizona | Active |
| Delta Gamma | September 30, 2022 | DePauw University | Greencastle, Indiana | Active |
| Delta Beta | 2023 Spring | Florida State University | Tallahassee, Florida | Active |
| Delta Delta | 2023 Spring | Stillman College | Tuscaloosa, Alabama | Active |