| Alvin Saldaña | |
| Birth Date: | 1976 7, df=y |
| Birth Place: | Rengo, Chile |
| Office: | Member of the Constitutional Convention |
| Constituency: | 15th District[1] |
| Term Start: | 4 July 2021 |
| Term End: | 4 July 2022 |
| Party: | Independent |
| Occupation: | Constituent |
| Profession: | Lawyer |
Alvin Antonio Saldaña Muñoz (born 5 July 1976) is a Chilean teacher who was elected as a member of the Chilean Constitutional Convention.[2]