| Type: | Bishop |
| Honorific-Prefix: | His Excellency |
| Fabio Martínez Castilla | |
| Archbishop of Tuxtla Gutiérrez | |
| Appointed: | 19 February 2013 |
| Term End: | 25 November 2023 |
| Predecessor: | Rogelio Cabrera López |
| Successor: | Vacant |
| Previous Post: | Bishop of Ciudad Lázaro Cárdenas (2007–2013) |
| Ordination: | 31 January 1977 |
| Consecration: | 4 May 2007 |
| Consecrated By: | Emilio Carlos Berlie Belaunzarán |
| Birth Date: | 1950 7, df=yes |
| Birth Place: | Isla Mujeres, Quintana Roo, Mexico |
| Death Place: | Tuxtla Gutiérrez, Chiapas, Mexico |
| Motto: | SEMPER SERVUS |
| Coat Of Arms: | Coat of arms of Fabio Martínez.svg |
| Fabio Martínez Castilla | |
| Dipstyle: | |
Fabio Martínez Castilla (20 July 1950 – 25 November 2023) was a Mexican Roman Catholic prelate. He was bishop of Ciudad Lázaro Cárdenas from 2007 to 2013 and archbishop of Tuxtla from 2013 until his death. He died due to ischemic crisis and neoplasm in Tuxtla Gutiérrez, Chiapas, on 25 November 2023, at the age of 73.[1] [2]