Futbol Ú ile başlayan takımlar
- Ullern IF
- US Monastir
- Ungmennafelag Njardvikur
- UWI Blackbirds FC
- UD Granadilla Tenerife Sur (W)
- University of Queensland FC (W)
- USV St. Anna am Aigen
- Union Bank Of India
- UKS SMS Lodz U19
- Umraniyespor U21
- UNAN Managua
- University of Queensland FC
- USC Landhaus Wien (W)
- UD Leiria U19
- UD Oliveirense U19
- Uniao Frederiquense de Futebol
- Uniao FC
- Ujpest FC II
- US Temara
- Urawa Red Diamonds (W)
- Ubon Ratchathani FC
- USFAS Bamako
- Ungmennafelagio Fjolnir (W)
- USV Eschen/Mauren
- UFC Altenmarkt
- Universidad Tecnica de Cajamarca Reserves
- UMF Tindastoll
- University of Tasmania SC (W)
- University of Tasmania SC
- UMF Tindastoll (W)
- US Bougouni
- US Gavorrano 1930
- USD Olginatese
- US Pergolettese 1932
- USV Wundschuh
- USV St. Marein bei Graz
- Uniao Recreativa dos Trabalhadores
- US Creteil-Lusitanos
- UFC Soeding
- US Triestina Calcio 1918
- Uz DONG Joo Andijon
- UFK Schwemm-De la Salle
- Union Edelweiss Linz
- Universities of Canterbury AFC
- UiTM FC U21
- UD Almeria B
- UD Vilafranquense
- USV Fliesen Klampfer Gabersdorf
- UD Ibarra
- UB Lebrijana