| Post: | Governor |
| Body: | Oriental Mindoro |
| Native Name: | Gobernador ng Lalawigan ng Silangang Mindoro |
| Incumbent: | Humerlito Atienza Dolor |
| Incumbentsince: | June 30, 2019 |
| Style: | The Honorable |
| Seat: | Oriental Mindoro Provincial Capitol, Calapan |
| Termlength: | 3 years, renewable maximum not eligible for re-election immediately after three consecutive terms |
| Formation: | December 30, 1951 |
| Inaugural: | Conrado M. Morente (de facto, Governor of Mindoro from 1947-1951) Francisco S. Infantado (de jure, first elected Provincial Governor) |
| Deputy: | Vice Governor |
The governor of Oriental Mindoro is the local chief executive and head of the Provincial Government of Oriental Mindoro in the Philippines. Along with the governors of Marinduque, Occidental Mindoro, Palawan, and Romblon, the province's chief executive is a member of the Regional Development Council of the Mimaropa Region.
On November 15, 1950, through Republic Act No. 505 signed by President Elpidio Quirino and as stated on his Proclamation No. 186, s. 1950, Mindoro was divided into two separate provinces of Occidental Mindoro and Oriental Mindoro.[1] Subsequently, the first provincial election was held on November 13, 1951.
| Governors of Oriental Mindoro |
|---|
| 1. THIRD PHILIPPINE REPUBLIC (1947–1980) | ||||||
|---|---|---|---|---|---|---|
| Image | Name | Term | Origin | Note(s) | ||
| 1 | Conrado M. Morente | December 30, 1947 - December 30, 1951 | Pinamalayan | Elected Governor of undivided Mindoro in 1947. | ||
| 2 | Francisco S. Infantado | December 30, 1951 - December 30, 1959 | Calapan | first elected governor. Elected twice. | ||
| 3 | Luciano A. Joson y Yason | December 30, 1959 - December 30, 1961 | Socorro | Elected | ||
| 4 | < | -- Do not use placeholder images per WP:IPH --> | Rodolfo Arce Ignacio | December 30, 1961 - December 30, 1963 | Calapan | Succeeded Joson, who elected assemblyman. |
| December 30, 1963 - December 30, 1967 | Elected | |||||
| 5 | Alfonso L. Umali Sr. | December 30, 1967 - June 30, 1980 | Bongabong | Elected twice.[2] |
| 3. FIFTH PHILIPPINE REPUBLIC (1986–present) | ||||||
|---|---|---|---|---|---|---|
| Image | Name | Term | Origin | Note(s) | ||
| 7 | < | -- Do not use placeholder images per WP:IPH --> | Benjamin Ignacio Espiritu | March 16, 1986 - June 30, 1988 | Calapan | Appointed by President Corazon C. Aquino.[3] |
| June 30, 1988 - June 30, 1992 | Elected | |||||
| 8 | Rodolfo Garong Valencia | June 30, 1992 - June 30, 2001 | Naujan | Elected in 3 consecutive terms.[4] | ||
| 9 | < | -- Do not use placeholder images per WP:IPH --> | Bartolome Laya Marasigan | June 30, 2001 – June 30, 2004 | Calapan | Elected.[5] |
| June 30, 2004 – December 1, 2004 | Elected. Died while in office.[6] | |||||
| 10 | Arnan Capulong Panaligan | December 1, 2004 - June 30, 2007 | Calapan | Former vice-governor, succeeded Marasigan. | ||
| June 30, 2007 - June 30, 2010 | Elected. | |||||
| 11 | Alfonso Villar Umali Jr. | June 30, 2010 - June 30, 2019 | Bongabong | Elected in 3 consecutive terms. | ||
| 12 | Humerlito Atienza Dolor | June 30, 2019 – present | Naujan | Elected twice.[7] |