two- - Unit
- two-base hit
- two-bit politician
- two-dollar broker
- Two-fer
- two-party system
- two-step
- two-thirds rule
- two-year college
- TX
- Tybee Lighthouse
- Tylenol
- Tyler
- Tyler, Anne
- Tyler, John
- Tyler, Moses Coit
- Tyler, Royall
- Typhoid Mary
- tyrant flycatcher
- Tyrone Guthrie Theater
- Tyson Foods Inc.
- U ...
- U-2
- U-2 Incident
- U-Drive-It
- U-Haul-It
- U.S. 30
- U.S. Air Forces in Europe
- U.S. Army advisory group
- U.S. Attorney
- U.S. Earthstrip No. 1
- U.S. Mail
- U.S. National Student Association
- U.S. News and World Report
- U.S. NSA
- U.S. One
- U.S. route
- U.S. Shoe Corporation
- U.S. Steel Corp.
- U.S. Treasury securities
- U.S. West