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- Tarzán - live bulldog of University of Puerto Rico at Mayagüez
- T.C. —costumed mascot of the University of Northern Iowa Panthers
- Tech - a live bulldog mascot of Louisiana Tech University
- Terrible Swede - a costumed mascot of Bethany College (Kansas).
- Temoc — a costumed comet of the University of Texas at Dallas.
- Texan Rider — a costumed cowboy of the Tarleton State University.
- Testudo — a costumed Diamondback Terrapin of the University of Maryland College Park.
- Thor — the thunderbird mascot of Cloud County Community College.
- Thor — the thunderbird mascot of Southern Utah University.
- Thresher — the threshing stone mascot of Bethel College.
- Thundar — the costumed mascot of North Dakota State University.
- Thunder the Wolf- the official mascot of Northern State University.
- Thundercat - the physical embodiment of the Southern Nazarene Crimson Storm.
- The Tiger — the mascot of Princeton University; the first collegiate mascot and subject of the first organized, recorded cheerleading cheer in 1884. Name reaffirmed as The Tiger in a 2007 referendum with widespread opposition to giving the mascot a name
- The Tiger — the mascot of Clemson University
- The Tiger Cub — the youthful partner of The Tiger at Clemson University
- Tim the Beaver — the mascot of the Massachusetts Institute of Technology
- Timeout — the costumed Bulldog mascot of Fresno State
- Toby — the costumed bear mascot of Mercer University.
- Toby the Tiger - the costumed mascot of East Texas Baptist University
- TOM III — a live Bengal Tiger mascot of the University of Memphis
- Tommy Mo — the costumed Saints mascot of Thomas More College.
- Tommy Titan -the mascot of the University of Detroit Mercy.
- Tommy Trojan -thought by many to be the mascot, Tommy Trojan is the shrine of the University of Southern California. Traveler is their mascot.
- Topper the Hilltopper — the mascot of St. Edward's University
- Tory — a live female former racing greyhound adopted by Eastern New Mexico University and used as community ambassador with male counterpart Vic
- Touchdown — also known as the Cornell Big Red Bear, the official mascot of Cornell University was a live bear from 1915 to 1939 when it was replaced with a costume.
- Tough Louie - the lumberjack mascot of Northern Arizona University.
- Traveler — a live white horse is the mascot of the University of Southern California who appears during all home football games.
- Tree - mascot of the Stanford band since 1975
- Triton - the mascot of University of California at San Diego
- True Grit - the mascot of the University of Maryland, Baltimore County.
- Truman the Tiger — the mascot of the University of Missouri and named for former U.S. president Harry S Truman.
- Tupper the Bulldog - the mascot of Bryant University and named for Earl Tupper, the creator of Tupperware
- Tuffy — the costumed eagle of the Ashland University Eagles.
- Tuffy — the costumed elephant of the Cal State Fullerton Titans.
- Tuffy — the live mascot of the NC State Wolfpack. Tuffy is a dog, either a Tamaskan or a German Shepherd – Husky mix.
- Tusk — the live Russian boar mascot of the University of Arkansas.
- Tyler the Tiger — the costumed tiger mascot of DePauw University.
Read more about this topic: List Of College Mascots In The United States, Mascot Index