The following lists events that happened in 1903 in El Salvador.
Incumbents
President: Tomás Regalado Romero (until 1 March), Pedro José Escalón (starting 1 March) Vice President: Francisco Antonio Reyes (until 1 March), Calixto Velado (starting 1 March)
Events
January
January – Voters in El Salvador voted for Pedro José Escalón to be President of El Salvador.
March
1 March – Conservative Pedro José Escalón was sworn in as President of El Salvador. Calixto Velado was sworn in as Vice President.
Undated
The Second Totoposte War was fought with Guatemala.
Deaths
2 March – Rafael Zaldívar, politician (b. 1834) 21 March – Carlos Ezeta, politician (b. 1852)