The following lists events that happened in 1931 in El Salvador.
Incumbents
President: Pío Romero Bosque (until 1 March), Arturo Araujo (1 March - 2 December), Civic Directory (2 December - 4 December), Maximiliano Hernández Martínez (starting 4 December) Vice President: Gustavo Vides (until 1 March), Maximiliano Hernández Martínez (1 March - 2 December), Vacant (starting 2 December)
Events
January
11–13 January – Voters in El Salvador voted Labor candidate Arturo Araujo as President with 46.65% of the vote in El Salvador's first free and fair election.
March
1 March – Arturo Araujo was sworn in as President of El Salvador. Maximiliano Hernández Martínez was sworn in as Vice President.
December
2 December – The Armed Forces of El Salvador deposed President Araujo in a military coup d'état and established the Civic Directory. 4 December – General Maximiliano Hernández Martínez, previously Vice President of El Salvador under Araujo, became Acting President of El Salvador.
Undated
The National Pro Patria Party was established.