| Sebastián Torrealba | |
| Birth Date: | 1981 2, df=y |
| Birth Place: | Santiago, Chile |
| Office: | Member of Chamber of Deputies of Chile |
| Constituency: | Santiago de Chile (10th District) |
| Term Start: | 11 March 2018 |
| Term End: | 11 March 2022 |
| Predecessor: | Creation of the District |
| Party: | Renovación Nacional (RN) |
| Profession: | Political scientist |
| Relatives: | Raúl Torrealba (uncle)[1] |
Sebastián Torrealba Alvarado (born 6 February 1981) is a Chilean politician.[2] [3]