| Marcel Cadolle | |
| Fullname: | Marcel Cadolle |
| Birth Date: | 21 December 1885 |
| Birth Place: | Paris, France |
| Death Place: | Paris, France |
| Discipline: | Road |
| Role: | Rider |
| Proyears1: | 1906 - 1907 |
| Proteam1: | Alcyon-Dunlop |
| Majorwins: | Bordeaux–Paris |
Marcel Cadolle (21 December 1885, in Paris – 21 August 1956, in Paris) was a French professional road bicycle racer.
In 1907 Cadolle rode a good Tour de France, having finished in the top 6 of all of the first six stages, winning the fourth stage. Before the seventh stage, Cadolle was second in the classification. In that seventh stage, Cadolle fell, and as a result he had to stop his cycling career.