Solar is a surname. Notable people with the surname include:
Amelia Solar de Claro (1836–1915), Chilean poet, playwright and essayist C.J. Solar (born 1992), American musician Cristóbal del Solar (born 1993), Chilean golf player El Solar, (born 1956), masked Mexican professional wrestler Gabriela Pérez del Solar (born 1968), Peruvian former volleyball player and politician José del Solar (born 1967), Peruvian football player Lola Solar (1904–1989), Austrian teacher and politician Martín Solar (born 2000), Spanish football player Nicanor González del Solar (born 1943), Argentine sports journalist and former rugby union player Xul Solar (1887–1963), Argentine artist