Guevara is a surname of Basque origin. Notable people with the surname include:
Amado Guevara, Honduran football (soccer) player
Álvaro Guevara Mexican composer
Ángel Aníbal Guevara, Guatemalan politician
Antonio de Guevara, Spanish chronicler and moralist
Armando Guevara, Venezuelan boxer
Ernesto "Che" Guevara, Argentine Marxist revolutionary
Ena Guevara, Peruvian long-distance runner
Giomar Guevara, Major League Baseball shortstop who played for the Seattle Mariners
Hilda Guevara, Peruvian congresswoman
Jesús Guevara, Venezuelan heavyweight boxer
Manuel Guevara, Venezuelan road cyclist
Otto Guevara, Costa Rican libertarian politician
Tomás Guevara, Chilean historian, teacher and Mapuche scholar