| Juan Castro Prieto | |
| Birth Date: | 1959 11, df=y |
| Birth Place: | San Clemente, Chile |
| Office: | Member of the Senate of Chile |
| Constituency: | 9th Circumscription (Maule Region) |
| Term Start: | 11 March 2018 |
| Predecessor: | Creation of the circumscription |
| Office1: | Mayor of Talca |
| Term Start1: | 6 December 2008 |
| Term End1: | 17 November 2016 |
| Predecessor1: | Patricio Herrera |
| Successor1: | Juan Carlos Díaz |
| Party: | Christian Social Party |
| Occupation: | Politician |
Juan Enrique Castro Prieto (born 1 November 1959) is a Chilean politician who served as a member of the Senate of Chile. Similarly, he was mayor of Talca.[1]