Futbol Ú ile başlayan takımlar
- UFC Siezenheim
- UFV Thalgau
- USV Rudersdorf
- UFC Stampfl-Bau Ostermiething
- Union PROCON Dietach
- Union Omaha
- USM Saran U19
- USL Dunkerque U19
- Union Cocle (W)
- Unionville Milliken SC
- UMF Stokkseyri
- Union Kleinmunchen / FC Blau Weiss Linz (W)
- Ulinzi Starlets
- Uzbekistan U20
- Unired FC
- United IK Nordic
- UB Mazaalainuud
- UD Almeria (W)
- Urartu II
- University of Tasmania SC Reserves
- Uruguay Montevideo
- UOR-5 Egoryevsk Youth
- Ulaanbaatar City FC
- USFA
- UMF Throttur Vogum
- Unity SC
- Universidad Catolica (W)
- University of Johannesburg (W)
- Uniao Desportiva Alagoana U20 (W)
- Ulytau FC
- US Gendarmerie Nationale
- Union Mondsee
- UDG Tenerife (W)
- Universidad Cesar Vallejo (W)
- Universitario del Beni
- UKZN FC (W)
- United PDX
- Universitet Ulyanovsk
- UMF Afturelding (W)
- UMF Samherjar
- UKS Lider Wloclawek
- US Castanet-Tolosan
- University of Western Cape (W)
- Unity FC
- University of Tasmania SC 2 (W)
- USV Taucher-Erdbau Eggersdorf
- UCT (W)
- USV Hengsberg
- University of Queensland FC U23
- Utah Royals FC Arizona (W)