| Label | Dates | |
|---|---|---|
| Theatre TCU Black Excellence | 2021- | View Item |
| Theodolites | 1946-1954 | View Item |
| Theta Delta | 1977-1979 | View Item |
| Theta Phi | 1961-1995 | View Item |
| Theta Sigma Phi | 1967-1972 | View Item |
| This I Believe @ TCU | 2012-2019 | View Item |
| Throstles | 1913-1915 | View Item |
| Timothy Club | 1924-1950 | View Item |
| To Write Love on Her Arms - TCU Chapter | 2012-2016 | View Item |
| Town Students Association | 1969-1980 | View Item |
| Tradicion.Cultural.Unidos. Ballet Folklorico | 2024- | View Item |
| Transfer Ambassadors | 2002-2005 | View Item |
| Transfer Mentors | 2014-2016 | View Item |
| Transfer Student Advisory Board | 2012-2014 | View Item |
| Transfer Student Organization | 2009-2012 | View Item |
| Transit Club | 1961-1963 | View Item |
| Trap & Skeet Club | 2016- | View Item |
| Trauma-Sensitive Yoga Peer Support Community | 2020 | View Item |
| Travel Club | 1960-1962 | View Item |
| Tri-Frog Club | 2009-2015 | View Item |
| Trombone Society | 1996- | View Item |
| Trumpet Ensemble | 2015- | View Item |
| Tuba/Euphonium Society at Texas Christian University | 1998- | View Item |
| Turning Point USA at TCU | 2016- | View Item |
| U.R.A. Club | 1915-1916 | View Item |