Galarraga is a surname of Basque origin. Notable people with the surname include:
Amalia Galárraga (c. 1884 – 1971), Spanish feminist Andrés Galarraga (born 1961), Venezuelan baseball player Armando Galarraga (born 1982), Venezuelan baseball player Belen Galarraga (born 1993), Ecuador-born beauty pageant titleholder for Portugal Manuel Eguiguren Galarraga (1930–2012), Spain-born Bolivian Catholic bishop Margarita Salaverría Galárraga (1911–2000), Spanish diplomat Isidro Lángara (full name Isidro Lángara Galarraga; 1912–1992), Spanish football player Eduardo Maceira (full name Eduardo José Maceira Galarraga; born 1996), Venezuelan football player
See also Armando Galarraga's near-perfect game, baseball game played in 2010