- un–Christian
- un–English
- U of Massachusetts-Stockbridge School of Agricult
- U of New Hampshire-Thompson Sch of Appl Science
- U of Puerto Rico-Ponce Technological Univ College
- U of Texas-Southwestern Medical Center at Dallas
- up
- up
- UP
- up-
- up.
- up-and-coming
- up-and-down
- up-and-down
- Upanisad
- Upanisadic
- Upanishad
- Upanishads
- upas
- upases
- upbeat
- up-bow
- upbraid
- upbraided
- upbraiding