| Gilles Blaser | |
| Birth Place: | Genthod, Switzerland |
| Role: | Rider |
| Proyears1: | 1977 |
| Proteam1: | Jelmoli–Hugo Koblet rad |
| Proyears2: | 1979 |
| Proyears3: | 1982 |
| Proteam3: | Kotter's–Bibione |
Gilles Blaser (born 16 December 1952) is a Swiss former racing cyclist.[1] He most notably won a silver medal in the elite race at the 1979 UCI Cyclo-cross World Championships and the Ziklokross Igorre in 1982. He also finished second to Albert Zweifel at the Swiss National Cyclo-cross Championships in 1984 and 1985.[2]