Mario Roberto Santucho
| Roberto Santucho | |
|---|---|
| Born | August 12, 1936 | 
| Died | July 19, 1976 (aged 40) Villa Martelli, Argentina | 
| Cause of death | Ballistic trauma | 
| Occupation(s) | Revolutionary and guerilla combatant | 
| Known for | Leader of a Marxist guerilla group | 
Mario Roberto Santucho (12 August 1936 – 19 July 1976) was an Argentine political militant, founder of the Partido Revolucionario de los Trabajadores (Workers' Revolutionary Party, PRT) and leader of Argentina's largest Marxist guerrilla group, the Ejército Revolucionario del Pueblo (People's Revolutionary Army, ERP).
Santucho was killed by the Argentine Armed Forces in a shootout in Villa Martelli (Buenos Aires Province) on 19 July 1976.