| René De Clercq | |
| Birth Date: | 16 March 1945 |
| Birth Place: | Compiègne, France |
| Death Date: | 1 January 2017 (aged 71) |
| Death Place: | Oudenaarde, Belgium |
| Discipline: | Cyclo-cross |
| Role: | Rider |
| Proyears1: | 1970–1971 |
| Proyears2: | 1971–1972 |
| Proyears3: | 1973 |
| Proteam3: | Novy–Romy Pils–Total–Dubble Bubble |
| Proyears4: | 1974–1975 |
| Proyears5: | 1975–1976 |
| Proteam5: | Autopark Tum |
René De Clercq (16 March 1945 – 1 January 2017) was a Belgian cyclo-cross cyclist. Professional from 1970 to 1976, he won a bronze medal at the 1971 UCI Cyclo-cross World Championships and was the UCI Amateur World Champion in 1969. He was the brother of Roger De Clercq and the father of Mario De Clercq, also professional cyclists.[1] [2]