Riders U
Pjotr Ugrumov
| 1993 | 1 stage, Giro d'Italia |
| 1994 | 2 stages, Tour de France |
Antonio Uliana
| 1955 | 1 stage, Vuelta a España |
| 1959 | 1 stage, Tour of Switzerland |
Jan Ullrich
Other significant victories:
World Amateur Road Race Champion, 1993; Olympic Road Race Champion, 2000
| 1996 | 1 stage, Tour de France |
| 1997 | Tour de France |
| 2 stages, Tour de France |
| 1 stage, Tour of Switzerland |
| 1998 | 3 stages, Tour de France |
| 1999 | Vuelta a España |
| 2 stages, Vuelta a España |
| World Time Trial Championship |
| 2001 | Giro dell'Emilia |
| World Time Trial Championship |
George Umbenhauer
Jon Unzaga
| 1992 | 1 stage, Vuelta a España |
José-Luis Uribezubia
| 1974 | 1 stage, Vuelta a España |
Valentin Uriona
| 1963 | 1 stage, Vuelta a España |
| 1964 | Dauphiné - Libéré |
| Milan - Turin |
| 1966 | 1 stage, Vuelta a España |
Sergei Utchakov
| 1993 | 1 stage, Vuelta a España |
| 1995 | 1 stage, Tour de France |
| 1 stage, Giro d'Italia |
| 1996 | 1 stage, Giro d'Italia |
| 1999 | 1 stage, Vuelta a España |
Aniceto Utset
A | B |
C | D |
E | F |
G | H |
I | J |
K | L |
M | N |
O | P |
Q | R |
S | T |
U | V |
W |
Y | Z
