| Juan de Dios Vial del Río | |
| Birth Date: | 1774 1, df=y |
| Birth Place: | Concepción, Captaincy General of Chile, Spanish Empire |
| Death Place: | Santiago, Chile |
| Office1: | President of the Senate of the Republic of Chile |
| Term Start1: | 11 March 1824 |
| Term End1: | 11 March 1825 |
| Successor1: | Agustín Eyzaguirre |
| Party: | None |
| Occupation: | Politician |
| Profession: | Lawyer |
Juan de Dios Vial del Río (born 1774–1850) was a Chilean politician who served as President of the Senate of Chile and President of the Chamber of Deputies.[1]