| Ultimate Frisbee | | | | | | | | |
| UMOJA | | | | | | | | |
| Under the Button | facebook | | | | | | | |
| Undergraduate Assembly | facebook | | | | | | | |
| Undergraduate Economics Society | | | | | | | | |
| Undergraduate Education | | | | | | | | |
| Undergraduate Psychology Society (UPS) | | | | | | | | |
| Undergraduate Research and Fellowships, Center for | | | | | | | | |
| Undergraduate Research Center | | | | | | | | |
| Undergraduate Research, Council on | | | | | | | | |
| Uniform Law Commissioners Drafts | | | | | | | | |
| United Minorities Council | | | | | | | | |
| University Archives and Records Center | facebook | | | youtube | | | | |
| University City Associates Realty Group | | | | | | | | |
| University Club at Penn (formerly Faculty Club) | | | | | | | | |
| University Communications | | | | | | | | |
| University Communications, Office of | | | | | | | | |
| University Council | | | | | | | | |
| University Honor Council | | | | | | | | |
| University ID (PennCard Center) | | | | | | | | |
| University Life Arts Initiatives | | | | | | | | |
| University Life Division (VPUL) | | | | | | | | |
| University of Pennsylvania Federal Credit Union (Employees) | | | | | | | | |
| University of Pennsylvania for UNICEF | | | | | | | | |
| University of Pennsylvania Health System | | | | | | | | |
| University of Pennsylvania Press | facebook | | | | | | blog | |
| University Scholars | | | | | | | | |
| University Television 13 (UTV-13) | | | | | | | | |
| UofPFCU U of P Federal Credit Union (Employees) | | | | | | | | |
| UPenn Sailing Team | | | | | | | | |
| UPSFCU | | | | | | | | |
| UPSFCU U of P Student Federal Credit Union | | | | | | | | |
| Upward Bound Program | | | | | | | | |
| Upward Bound Math Science | | | | | | | | |
| Urban Design Program | | | | | | | | |
| Urban Education Minor | | | | | | | | |
| Urban Ethnography, Center for | | | | | | | | |
| Urban Redevelopment Excellence, Center for | | | | | | | | |
| Urban Studies Program | | | | | | | | |
| Urban Transportation Systems Group | | | | | | | | |
| Urology Division (Surgery) | | | | | | | | |