Sigma Chi is a North American collegiate fraternity. It was established in 1855 at Miami University in Oxford, Ohio, by members who split from the Delta Kappa Epsilon fraternity. The fraternity has 244 active undergraduate chapters and 152 alumni chapters across the United States and Canada. Sigma Chi uses the term "associate chapter" for its colonies.

Collegiate chapters Following is a list of Sigma Chi collegiate chapters, with active chapters indicated in bold and inactive chapters and institutions in italics.321The Sigma Chi Fraternity Manual and Directory -1917

ChapterCharter date and rangeInstitutionLocationStatusAlpha – 1858;September 13, 1892 – 2012;2017Miami UniversityOxford, OhioActiveGamma – 1884;1888–2015Ohio Wesleyan UniversityDelaware, OhioInactiveHostetter, Earl De Witt, ed. (1912). The Sigma Chi Fraternity Manual and Directory (3rd ed.). Chicago: The University of Chicago Press / Sigma Chi Fraternity. pp.1lv – via Forgotten Books.Epsilon (Original) – 1857University of NashvilleNashville, TennesseeReissuedEta – 1861;January 1, 1866 – 1912; 1926University of MississippiOxford, MississippiActiveNate, Joseph Cookman (1930) The History of the Sigma Chi Fraternity, 1855-1925. vol. 2. Sigma Chi Fraternity / The Sigma Chi History Commission.– via HathiTrust.Iota – 1869Jefferson CollegeCanonsburg, PennsylvaniaInactiveLambda – 2025Indiana University BloomingtonBloomington, IndianaInactiveNu (Original) – 1863Washington CollegeWashington, PennsylvaniaReissuedNate, Joseph Cookman (1930) The History of the Sigma Chi Fraternity, 1855-1925. Vol. 1. Sigma Chi Fraternity / The Sigma Chi History Commission. p. xxvi – via HathiTrust.XiDePauw UniversityGreencastle, IndianaActiveOmicron – 2004Dickinson CollegeCarlisle, PennsylvaniaInactivePi (Original) – 1861Erskine CollegeDue West, South CarolinaInactiveSigma (Original) – 1861La Grange Synodical CollegeLa Grange, TennesseeInactiveRho (Original)(see Psi) – 1861University of VirginiaCharlottesville, VirginiaReissuedCarlson, Douglas Richard (1990). The History of the Chi Fraternity 1955-1980. Minneapolis: Sigma Chi Fraternity. Retrieved September 3, 2023.Theta – 2005; 2009Gettysburg CollegeGettysburg, PennsylvaniaActiveNate, Joseph Cookman (1930) The History of the Sigma Chi Fraternity, 1855-1925. Vol. 3/4. Sigma Chi Fraternity / The Sigma Chi History Commission. – via HathiTrust.Kappa – 1874; 1879Bucknell UniversityLewisburg, PennsylvaniaActiveEpsilon (Second) – 1880;December 22, 1892 – January 8, 1972;January 5, 1973 – 1998; 2007George Washington UniversityWashington, D.C.ActiveRho (Second)Butler UniversityIndianapolis, IndianaActiveUpsilon – 1876Polytechnic College of PennsylvaniaPhiladelphia, PennsylvaniaInactiveZetaWashington and Lee UniversityLexington, VirginiaActivePsi (see Rho Original)University of VirginiaCharlottesville, VirginiaActive Phi – 1887;December 7, 1899 – February 15, 1965;April 24, 1982 – 1997Lafayette CollegeEaston, PennsylvaniaInactiveMu – 1876;1880–2000; 2004Denison UniversityGranville, OhioActiveOmega – 2000;2005–2022; September 19, 2026Northwestern UniversityEvanston, IllinoisActiveSigma (Second)–1870;June 17, 1875 – 1882; 2010Princeton UniversityPrinceton, New JerseyActiveChi – 1918; 1936Hanover CollegeHanover, IndianaActiveSigma Sigma – 1889;September 1890–1902;1931 – November 5, 1977; 1984Hampden–Sydney CollegeHampden Sydney, VirginiaActiveTau – 1890;March 31, 1896 – 1901; 1923Roanoke CollegeSalem, VirginiaActivePi (Second) – 1885; 1984Samford UniversityHomewood, AlabamaActiveDelta – 1885;June 18, 1910 – 1990; 1996University of GeorgiaAthens, GeorgiaActiveNu (Second)–1880, 2014Cumberland UniversityLebanon, TennesseeActiveBeta – 1893;September 11, 1899 – 1913College of WoosterWooster, OhioInactiveBeta Beta – 1874Mississippi CollegeClinton, MississippiInactiveGamma Gamma – 1901Randolph–Macon CollegeAshland, VirginiaInactiveEpsilon Epsilon – 1878Monmouth CollegeMonmouth, IllinoisInactiveDelta Delta Purdue UniversityWest Lafayette, IndianaActivePhi Phi – 1878;1884–1887;May 9, 1896University of PennsylvaniaPhiladelphia, PennsylvaniaActiveIota Iota – 1877; 1914University of AlabamaTuscaloosa, AlabamaActiveZeta ZetaCentre CollegeDanville, KentuckyActivePsi Psi (Original)(see Theta Theta)1874–1875University of MichiganAnn Arbor, MichiganInactiveTheta Theta(see Psi Psi Original) – 2003; 2009University of MichiganAnn Arbor, MichiganActiveChi Chi–1882, 1993–2024Birmingham–Southern CollegeBirmingham, AlabamaInactiveAlpha Beta (Original)(see Epsilon Rho) – 1881Richmond CollegeRichmond, VirginiaInactiveDelta Chi–1894;May 20, 1909Wabash CollegeCrawfordsville, IndianaActiveKappa Kappa – 1885;December 1891University of Illinois Urbana-ChampaignChampaign, IllinoisActiveZeta PsiUniversity of CincinnatiCincinnati, OhioActiveAlpha Eta – 1889;May 14, 1902 – 1991;2000–2022University of IowaIowa City, IowaInactiveAlpha ThetaMassachusetts Institute of TechnologyCambridge, MassachusettsActiveAlpha GammaOhio State UniversityColumbus, OhioActiveAlpha ZetaBeloit CollegeBeloit, WisconsinActiveChi Psi1882–1883University of Louisiana at New OrleansNew Orleans, LouisianaInactiveAlpha Epsilon – 2008; 2013University of Nebraska–LincolnLincoln, NebraskaActiveAlpha Delta – 1891Stevens Institute of TechnologyHoboken, New JerseyInactiveAlpha Iota – 2021Illinois Wesleyan UniversityBloomington, IllinoisInactiveAlpha Kappa – 1886; 1980Hillsdale CollegeHillsdale, MichiganActiveAlpha Lambda – January 30, 2020; October 26, 2025University of Wisconsin–MadisonMadison, WisconsinActiveAlpha Xi – July 2022University of KansasLawrence, KansasInactiveAlpha Nu – 1888;1890–2004; 2009–2025University of Texas at AustinAustin, TexasInactiveAlpha Mu – 1885Virginia Military InstituteLexington, VirginiaInactiveAlpha OmicronTulane UniversityNew Orleans, LouisianaActiveAlpha Pi – April 2, 1980;November 8, 1980Albion CollegeAlbion, MichiganActiveAlpha Beta (Second) – January 6, 1968;February 19, 1972 – May 19, 1979;January 12, 1980University of California, BerkeleyBerkeley, CaliforniaActiveAlpha Rho – 1891;September 1893–1989;1993–2017Lehigh UniversityBethlehem, PennsylvaniaInactiveAlpha SigmaUniversity of MinnesotaMinneapolis, MinnesotaActiveAlpha Tau – 1900; 1913University of North Carolina at Chapel HillChapel Hill, North CarolinaActiveAlpha Upsilon – 1994; 2000University of Southern CaliforniaLos Angeles, CaliforniaActiveAlpha PhiCornell UniversityIthaca, New YorkActiveAlpha ChiPennsylvania State UniversityUniversity Park, PennsylvaniaActiveAlpha Omega – April 7, 1965;April 1966 – January 21, 1967;April 7, 1974 – 2018;2023 Stanford UniversityStanford, CaliforniaActiveAlpha Psi – 1991;1996–2022Vanderbilt UniversityNashville, TennesseeInactiveAlpha Alpha – 2006;April 9, 2016 – 2024Hobart CollegeGeneva, New YorkInactive Eta Eta – May 1, 1960Dartmouth CollegeHanover, New HampshireInactiveLambda LambdaUniversity of KentuckyLexington, KentuckyActiveNu Nu – October 2, 1964; 1982Columbia UniversityNew York City, New YorkActiveMu MuWest Virginia UniversityMorgantown, West VirginiaActiveXi Xi – 2002;2007–2019; October 5, 2024University of MissouriColumbia, MissouriActiveOmicron Omicron – 1952; 2011University of ChicagoChicago, IllinoisActivePi PiUnassignedRho RhoUniversity of MaineOrono, MaineActiveTau Tau – 2021Washington University in St. LouisSt. Louis, MissouriInactiveUpsilon Upsilon – 2024University of WashingtonSeattle, WashingtonInactivePsi Psi (Second) – January 11, 1957;December 8, 1963 – 1998;2008–2021Syracuse UniversitySyracuse, New YorkInactiveBeta Gamma Colorado CollegeColorado Springs, ColoradoActiveOmega OmegaUniversity of ArkansasFayetteville, ArkansasActiveBeta Delta University of MontanaMissoula, MontanaActiveBeta Epsilon University of UtahSalt Lake City, UtahActiveBeta Zeta University of North DakotaGrand Forks, North DakotaActiveBeta Eta – January 8, 1972; March 29, 1973Case Western Reserve UniversityCleveland, OhioActiveBeta Theta (see Sigma Chi Beta) – 2018University of PittsburghPittsburgh, PennsylvaniaInactiveBeta Iota – 1996; 2000University of OregonEugene, OregonActiveBeta Kappa – 2004; 2008University of OklahomaNorman, OklahomaActiveBeta LambdaDuke UniversityDurham, North CarolinaActiveBeta Mu – October 23, 1971;1981–1999; 2001–20xx ?;October 2018University of Colorado BoulderBoulder, ColoradoActiveBeta Nu – December 14, 1965;April 14, 1973 – 2019Brown UniversityProvidence, Rhode IslandInactiveBeta Xi – 2001, 2008University of New MexicoAlbuquerque, New MexicoActiveBeta Omicron (see Sigma Chi Omicron) – 2018Iowa State UniversityAmes, IowaInactiveBeta Pi Oregon State UniversityCorvallis, OregonActiveBeta Rho Montana State UniversityBozeman, MontanaActiveBeta Sigma 1917–2017, 2021University of TennesseeKnoxville, TennesseeActiveBeta Tau 1919–2020Colorado State UniversityFort Collins, ColoradoInactiveBeta UpsilonWashington State UniversityPullman, WashingtonActiveBeta Phi 1919 – August 12, 1972;January 15, 1977 – 2003; 2008University of ArizonaTucson, ArizonaActiveBeta Chi 1921Emory UniversityAtlanta, GeorgiaActiveBeta Psi 1922Georgia TechAtlanta, GeorgiaActiveBeta Omega Toronto Metropolitan UniversityToronto, Ontario, CanadaActiveUniversity of Toronto Gamma AlphaUnassignedGamma BetaUnassignedGamma DeltaOklahoma State University–Stillwater Stillwater, OklahomaActiveGamma Epsilon 1923 – December 1967;April 19, 1970Whitman CollegeWalla Walla, WashingtonActiveGamma Zeta 1923Union CollegeSchenectady, New YorkActiveGamma Eta 1924University of IdahoMoscow, IdahoActiveGamma Theta 1924University of FloridaGainesville, FloridaActiveGamma Iota 1925–2015, 2021Louisiana State UniversityBaton Rouge, LouisianaActiveGamma Kappa 1926Utah State UniversityLogan, UtahActiveGamma LambdaMcGill UniversityMontreal, Quebec, CanadaActiveGamma Mu 1928 – June 21, 1959Wesleyan UniversityMiddletown, ConnecticutInactiveGamma Nu 1929–2016, 2022University of South CarolinaColumbia, South CarolinaActiveGamma Xi University of WyomingLaramie, WyomingActiveGamma Omicron1930 – April 10, 1963;September 26, 1971 – October 16, 2014Colgate UniversityHamilton, New YorkInactiveGamma Pi 1932University of RochesterRochester, New YorkActiveGamma Rho Dalhousie UniversityHalifax, Nova Scotia, CanadaActiveSaint Mary's UniversityGamma Sigma1934–2013, 2019Auburn UniversityAuburn, AlabamaActiveGamma Tau North Dakota State UniversityFargo, North DakotaActiveGamma Upsilon 1938Mississippi State UniversityStarkville, MississippiActiveGamma Phi 1942University of MiamiCoral Gables, FloridaActiveGamma Chi – 2001;September 27, 2009University of Maryland, College ParkCollege Park, MarylandActiveGamma Psi (see Sigma Chi Epsilon)1942–2017Michigan State UniversityEast Lansing, MichiganInactiveGamma Omega 1943–1951; April 15, 1972University of ConnecticutStorrs, ConnecticutActiveDelta AlphaUnassignedDelta BetaUnassignedDelta GammaUnassignedDelta Epsilon 1943North Carolina State UniversityRaleigh, North CarolinaActiveDelta ZetaWillamette UniversitySalem, OregonActive Delta Eta 1947University of California, Los AngelesLos Angeles, CaliforniaActiveDelta Iota 1947University of DenverDenver, ColoradoActiveDelta Kappa 1947–2004, 2016Bowling Green State UniversityBowling Green, OhioActiveDelta Lambda 1948 – October 9, 1969Davidson CollegeDavidson, North CarolinaInactiveDelta Mu 1948Southern Methodist UniversityDallas, TexasActiveDelta Nu 1948Wake Forest UniversityWinston-Salem, North CarolinaActiveDelta Xi – May 8, 2013; 2019San Diego State UniversitySan Diego, CaliforniaActiveDelta Omicron Simon Fraser UniversityVancouver, British-Columbia, CanadaActiveUniversity of British Columbia Delta Pi 1949–2003;