| Antônio Olinto dos Santos Pires | |
| Birth Date: | 15 December 1860 |
| Birth Place: | Serro, Brazil |
| Death Date: | 25 February 1925 |
| Death Place: | Belo Horizonte, Brazil |
Antônio Olinto dos Santos Pires (15 December 1860 - 25 February 1925) was the first president of the state of Minas Gerais in Brazil.
He founded the Minas Republican Party with João Pinheir.[1]
He served as president of Minas Gerais from 17 November 1889 to 24 November 1889, was then a member of the government from 1890 to 1893 and minister of transportation from 1894 to 1896.
He directed the Estado de Minas and the Movement newspapers and collaborated on a Historical and Geographical Dictionary of Brazil/