| José Roberto Sierra | |
| Birth Place: | Camargo, Spain |
| Weight: | 660NaN0 |
| Currentteam: | Retired |
| Discipline: | Road |
| Role: | Rider |
| Proyears1: | 1989-1990 |
| Proteam1: | Teka |
| Proyears2: | 1991-1993 |
| Proteam2: | CLAS-Cajastur |
| Proyears3: | 1994-1999 |
| Proteam3: | ONCE |
José Roberto Sierra Aguerro (born 21 March 1967 in Camargo) is a former Spanish cyclist.[1] He participated in 5 Tours de France, 1 Giro d'Italia, and 4 Vuelta a España.