U of S
- SU (disambiguation)
- Seattle University
- Seton Hall University
- Sewanee, The University of the South
- Shippensburg University of Pennsylvania
- Silliman University
- Silpakorn University
- Sofia University
- South University
- Stanford University
- Stellenbosch University
- Stockholm University
- Syracuse University
- US (disambiguation)
- UdeS
- University of Salzburg
- University of Saskatchewan
- University of Scranton
- University of Southampton
- University of Sussex