| Silvestre Ochagavía Echaurren | |
| Birth Date: | 1862 7, df=y |
| Birth Place: | Santiago, Chile |
| Death Place: | Santiago, Chile |
| Nationality: | Chilean |
| Office1: | President of the Senate of the Republic of Chile |
| Term Start1: | 15 May 1912 |
| Term End1: | 15 May 1915 |
| Predecessor1: | Carlos Aldunate Solar |
| Successor1: | Eduardo Charme |
| Party: | Conservative Party |
| Occupation: | Politician |
| Profession: | Lawyer |
| Parents: | Silvestre Ochagavía Errázuriz Concepción Echaurren García-Huidobro |
Silvestre Ochagavía Echaurren (born 28 July 1862 – 29 January 1934) was a Chilean politician and lawyer who served as President of the Senate of Chile.