Roberto Guadalupe Martínez (born 21 February 1973, in San Miguel, El Salvador) is a retired Salvadoran footballer.
Nicknamed Catalnica, Martínez started his career at lower league side Espana and Liberal before making his debut in the Primera División de Fútbol de El Salvador with Águila in 1996.
Martínez made his debut for El Salvador in a June 1997 World Cup qualification match against Mexico[1] and has earned a total of 19 caps, scoring 2 goals.
[2] His final international game was a July 2000 World Cup qualification match against Honduras.
This biographical article related to Salvadoran association football is a stub.