Fußball Mannschaften, die mit U beginnen
- UKS SMS II Lodz (Wom)
- Universitario De Vinto (Res.)
- Uchijima, Moyuka
- Union Kainbach
- Union SV Kainbach Honigtal
- Union Kleinmunchen/BW Linz
- Unirea Slobozia (Women)
- UW Warszawa (W)
- Union Triester
- Unia Lublin (W)
- University Indiana Wesleyan
- UD Leiria (Wom)
- Ucla W
- UCLA Bruins (Wom)
- UTA Jazz
- US Bechar Djedi
- UTC Cajamarca (N)
- US Salinieres Aigues Mortes
- Univ.Vinto
- US Alenconnaise 61
- US Latina Calcio 1932 (U19)
- Union Sportive Musulmane Oujda
- US Avellino U19
- UTS Rabat (N)
- UD Bovedana (Women)
- US Orleans Loiret Football II
- Union Bremen
- Universitario (Peru)
- US Palmese 1914 U19
- US Poggibonsi U19
- USD Palmese U19
- US Livorno 1915
- UD Altea
- Unam Pumas U19
- Union Deportiva General Rojo
- University CEU San Pablo
- Union Etcheverry
- Ural Urfa (Wom)
- U. Católica
- Union Vetten 2
- US Biskra (Wom)
- University Of Pikeville
- Univ Cluj
- University Of Johannesburg
- Uganda Revenue
- US Biskra (Women)
- Ullensaker
- UPNFM (Res)
- Us Briskra Women
- Ulytau Zhezkazg
- University Of Johannesburg FC
- University Of Physical Education And Sport Ho Chi Minh
- UlkuSpor
- UM Escobedo (N)
- Uritarra
- Uritarra KT
- UD Los Llanos De Aridane (Youth)
- United Riccione U19
- US Torcy PVMF
- Umia
- Urawa Reds (W)
- Union Obrera Loreto
- Unyegucu Futbol Kulubu
- Union Obrera De Loreto
- Union Vecinal Etcheverry
- Union Vecinal De Etcheverry
- Uttarpalli MS
- Uttarpalli Milan Sangha
- UCSA Tarasivka
- Universitatea Craiova (Wom)
- UNAM (U 23)
- Union College Bulldogs
- US Latina Calcio 1932
- USM Khenchela Reserve
- UD Granadilla Tenerife Egatesa Women
- University
- US Citta Di Fasano U19
- UD Costa Adeje Tenerife B (Women)
- US Oued Souf
- UNeulengbach
- USV Hallwang
- University Of Western Cape FC Women
- UD Costa Adeje Tenerife (Women)