| Josef Martinelli | |
| Height: | 1.81 m |
| Birth Date: | 1936 3, df=yes |
| Birth Place: | Bardenberg, Germany |
| Position: | Midfielder forward |
| Years1: | 1951–1970 |
| Clubs1: | Alemannia Aachen |
| Years2: | 1970–1971 |
| Clubs2: | Roda JC |
| Years3: | 1971–1977 |
| Clubs3: | Westwacht Aachen |
| Manageryears1: | 1977–1980 |
| Managerclubs1: | Westwacht Aachen |
| Manageryears2: | 1980–1981 |
| Managerclubs2: | Alemannia Aachen (juniors) |
| Manageryears3: | 1981 |
| Managerclubs3: | Alemannia Aachen |
| Manageryears4: | 1982–1988 |
| Managerclubs4: | Alemannia Aachen (juniors) |
Josef Martinelli (born 19 March 1936) is a German former football player and manager who played as a midfielder or forward.