Guillermo Garcia may refer to:
- Guillermo GarcÃÂa (actor) (born 1981), Venezuelan actor
- Guillermo GarcÃÂa (swimmer) (born 1955), Mexican Olympic swimmer
- Guillermo GarcÃÂa López (born 1983), Spanish tennis player and coach
- Guillermo GarcÃÂa Oropeza (born 1937), Mexican writer
- Guillermo GarcÃÂa (baseball) (born 1972), former Major League Baseball catcher
- Guillermo GarcÃÂa (sailor) (born 1944), Mexican Olympic sailor
- Guillermo GarcÃÂa (volleyball) (born 1983), Argentina national volleyballer
- Guillermo GarcÃÂa (tennis), Chilean tennis player at the 1955 & 1956 US Open
- Guillermo GarcÃÂa Cantú (born 1960), Mexican actor
- Guillermo GarcÃÂa González (1953âÂÂ1990), Cuban chess grandmaster
- Guillermo GarcÃÂa (Salvadoran footballer) (born 1969), Salvadoran football player
- Guillermo GarcÃÂa, model from Zaragoza; Mister Spain 2009
- Guillermo GarcÃÂa (musician) (born 1988), Mexican guitarist for S7N