| Gustavo Petta | |
| Office: | Federal Deputy for São Paulo |
| Term Start: | February 1, 2011 |
| Birth Date: | 26 December 1980 |
| Birth Place: | Campinas, São Paulo, Brazil |
| Spouse: | Silvia Petta |
| Children: | Guilherme Petta |
| Party: | Communist Party of Brazil (PCdoB) (1997 - present) |
| Profession: | Politician |
| Occupation: | Student |
Gustavo Lemos Petta (born December 26, 1980, in Campinas) is a Brazilian politician and former president of Brazil's National Union of Students (União Nacional dos Estudantes) from 2003 to 2007.[1]