| Michel Oreste | |
| Office: | 21st President of Haiti |
| Term Start: | May 4, 1913 |
| Term End: | January 27, 1914 |
| Predecessor: | Tancrède Auguste |
| Successor: | Oreste Zamor |
| Office2: | Senator for the Ouest department |
| Term Start2: | May 17, 1912 |
| Term End2: | May 4, 1913 |
| Office3: | Member of the Provisional Government of Haiti |
| Term Start3: | May 14, 1902 |
| Term End3: | May 26, 1902 |
| Birth Name: | Michel Oreste-Lafontant |
| Birth Date: | 8 April 1859 |
| Birth Place: | Jacmel, Haiti |
| Death Place: | New York City, United States |
| Spouse: | Alice Euchariste Pommeyrac |
| Occupation: | Lawyer |
Michel Oreste Lafontant (April 8, 1859 – October 29, 1918) served as president of Haiti from May 1913 to January 1914. He was a reformist toppled by forces loyal to landowner elites such as his successor Oreste Zamor. He died in exile in New York City on 28 October 1918.