Body
Men's Fraternities
(currently recognized organizations)
| Organization | Chapter | Chartering Date |
|---|---|---|
| Alpha Epsilon Pi Fraternity | Delta | April, 1920 |
| Alpha Gamma Rho Fraternity | Alpha (founding chapter) | 1906 |
| Alpha Gamma Sigma National Agricultural Fraternity | IlliDell | January 24, 1981 |
| Alpha Iota Omicron Fraternity, Inc. | Beta | November 22, 2002 |
| Alpha Phi Alpha Fraternity, Inc. | Tau | March 23, 1917 |
| Alpha Psi Lambda National, Inc. (Coed) | Beta | May 8, 1988 |
| Alpha Sigma Phi Fraternity | Eta | June 25, 1908 |
| Alpha Tau Omega Fraternity | Gamma Zeta | March 16, 1895 |
| Beta Chi Theta National Fraternity, Inc. | Phi | December 4, 2010 |
| Beta Sigma Psi, The National Lutheran Fraternity | Alpha (founding chapter) | April 17, 1925 |
| Chi Psi Fraternity | Zeta Delta | 1912 |
| Chi Sigma Tau National Fraternity, Inc. | Gamma | October 31, 2007 |
| Delta Chi Fraternity | Illinois | 1923 |
| Delta Kappa Epsilon Fraternity | Delta Pi | December 17, 1904 |
| Delta Tau Delta Fraternity | Beta Upsilon | 1872 |
| Delta Upsilon International Fraternity | Illinois | 1905 |
| FarmHouse International Fraternity | Illinois | October 15, 1914 |
| National Fraternity of Kappa Delta Rho | Eta | February 18, 1921 |
| Kappa Pi Beta Fraternity, Inc. | Colony | Spring 2018 (colonization) |
| Kappa Sigma Fraternity | Alpha Gamma | December 12, 1891 |
| La Unidad Latina, Lambda Upsilon Lambda Fraternity, Inc. | Alpha Chi | April 6, 2006 |
| Lambda Phi Epsilon International Fraternity, Inc. | Chi | May 10, 1997 |
| Lambda Theta Phi Latin Fraternity, Inc. | Beta Sigma | Winter 2004 |
| Omega Delta National Fraternity, Inc. | Alpha (founding chapter) | January 17, 1997 |
| Omega Delta Phi Fraternity, Inc. | Alpha Sigma | May 14, 2005 |
| Phi Delta Theta Fraternity | Illinois Eta | February 9, 1893 |
| The International Fraternity of Phi Gamma Delta | Chi Iota | August 6, 1897 |
| Phi Iota Alpha Fraternity, Inc. | Colony | Fall 2014 (colonization) |
| Phi Kappa Psi Fraternity | Illinois Delta | November 18, 1904 |
| Phi Kappa Tau Fraternity | Zeta | 1916 |
| Phi Kappa Theta Fraternity | Illinois Beta Delta | May 27, 1912 |
| Phi Sigma Kappa Fraternity | Alpha Deuteron | 1910 |
| The Pi Kappa Alpha Fraternity | Beta Eta | March 24, 1917 |
| Sigma Alpha Epsilon Fraternity | Illinois Beta | 1899 |
| Sigma Beta Rho Fraternity, Inc. | UIUC Associate Chapter | April 26, 2008 |
| Sigma Chi Fraternity | Kappa Kappa | December 21, 1881 |
| Sigma Lambda Beta International Fraternity, Inc. | Kappa | April 14, 1991 |
| Sigma Nu Fraternity | Gamma Mu | 1902 |
| Sigma Phi Delta Fraternity | Delta | January 25, 1928 |
| Sigma Tau Gamma Fraternity | Alpha Chi | May 9, 1953 |
| Tau Kappa Epsilon Fraternity | Gamma | February 3, 1912 |
| Theta Chi Fraternity | Rho | May 20, 1916 |
| Theta Xi Fraternity | Alpha Beta | April 8, 1922 |
| Triangle Fraternity | Illinois (founding chapter) | April 15, 1907 |
| Zeta Beta Tau Fraternity | Rho | November 3, 1912 |
| Zeta Psi Fraternity | Alpha Epsilon | 1909 |