Montaño is a Spanish-language surname, related, but pronounced differently, to the Italian surname Montano and French surname Montaigne. The name Montano also occurs without the "ny" sound ñ as Montano in Spain. Notable people with the surname include:

Alysia Montaño née Johnson, American track and field athlete, 800 metres national champion Cristian Montaño, Colombian football player Gabriela Montaño (born 1975), Bolivian physician and politician Miguel Montaño (born 1991), Colombian footballer who plays for Seattle Sounders FC Víctor Montaño (born 1984), Colombian football player

See also Montano, Italian surname