Calcio Squadre che iniziano con U
- United City FC
- Umm Salal SC (Reserves)
- UD Taco San Luis (Youth)
- Uttara Dhaka
- Uttara FC
- United Bharat FC
- UCSA
- Union Sportif Amal Tiznit
- Union Dietach
- Union Edelweiss FC
- Union Deportivo Universitario (R)
- USM Khenchela (U 21)
- UMECIT (R)
- Uanl Tigres U23
- Universidad Catolica U21
- Uni Azzurri
- Uniao Malanje
- Uzwil
- USD Audace Cerignola U19
- Union Deportivo Universitario
- Uniao Leiria (U 19)
- Ulinzi Stars (KEN)
- UCU Cardinals (Women)
- Universitario Las Palmas U19
- UD Geneto Del Teide
- UCU Cardinals
- Universidad De Concepcion U21
- Ujpest TE (U 19)
- Unterrath
- US Quevilly (U 19)
- US Orleans 45 (U 19)
- Uwa Nedlands Fc Women
- Unia Wabrzezno
- Uskok
- Unirea Tricolor Dabuleni
- UD Tenerife
- UTE (U 19)
- Uniao Frederiquense RS
- UE Cornella (N)
- US Marignane U19
- Unifut Antigua (Women)
- UWA Nedlands 2 (Wom)
- Uwa Nedlands FC 2
- Unirea Rosia
- UDA AL
- Uniao Desportiva Alagona (W)
- US Des Forces Armees
- Universitatea Olimpia Cluj (W)
- Univer Comrat
- Union De Santa Fe (N)