Sergio de Jesús Méndez Bolaños (14 February 1943 – 18 December 1976) was a football player from El Salvador who represented his country at the 1970 FIFA World Cup in Mexico.

Méndez came from a family of footballers, his younger brother and some first cousins were also professional soccer players for CD Luis Angel Firpo and Alianza FC.

[citation needed] Méndez played 7 matches for El Salvador at the 1968 Summer Olympics, after he had scored against Cuba in the qualifiers.

Salvadorean international footballer Mágico González said during an interview that Méndez was his inspiration to become a professional soccer player; "I always admired his style of play and his overall ability with the ball, he stated".

He is one of six Mexico 1970 FIFA world cup attended players and the 1968 Olympic footballers of El Salvador National team who have already died.