| María José Oyarzún | |
| Birth Date: | 1982 10, df=y |
| Birth Place: | Osorno, Chile |
| Office: | Member of the Constitutional Convention |
| Constituency: | 7th District[1] |
| Term Start: | 4 July 2021 |
| Term End: | 4 July 2022 |
| Party: | Democratic Revolution |
| Occupation: | Constituent |
| Profession: | Teacher |
María José Oyarzún Solis (23 October 1980) is a Chilean teacher who was elected as a member of the Chilean Constitutional Convention.