| Heitor de Sousa | |
| Office: | Member of the Assembly of the Republic |
| Term Start: | 23 October 2015 |
| Term End: | 25 October 2019 |
| Constituency: | Leiria |
| Term Start1: | 15 October 2009 |
| Term End1: | 19 June 2011 |
| Constituency1: | Leiria |
| Birth Name: | Heitor Nuno Patrício de Sousa e Castro |
| Birth Date: | 5 April 1953 |
| Nationality: | Portuguese |
| Party: | Left Bloc |
| Occupation: | Politician |
| Otherparty: | Revolutionary Socialist Party (until 1999) |
Heitor Nuno Patrício de Sousa e Castro (born 5 April 1953) is a Portuguese economist and politician, who was a member of the Assembly of the Republic, first elected in 2009.[1]