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