| Jacinto Chacón Barrios | |
| Office: | Deputy of the Republic of Chile for Santiago |
| Term: | 18 September 1885-2 June 1888 |
| Predecessor: | Dositeo Errázuriz Zañartu |
| Birth Date: | 16 August 1820 |
| Birth Place: | Santiago, Chile |
| Death Date: | 1893 |
| Death Place: | Santiago, Chile |
| Party: | Liberal Party |
| Spouse: | Rosario Orrego |
Jacinto Chacón Barrios (16 August 1820 – 1893) was a Chilean politician of the Liberal Party. He served as the deputy for San Felipe, Santiago from 1885 to 1888.[1]