| Nadia Cortassa | |
| Birth Date: | 5 January 1978 |
| Birth Place: | Turin |
| Nationality: | Italian |
| Occupation: | Triathlon |
Nadia Cortassa (born 5 January 1978 in Turin) is an athlete from Italy. She competes in triathlon.
Cortassa competed at the second Olympic triathlon at the 2004 Summer Olympics. She took fifth place with a total time of 2:05:45.35.