Amaro is a surname. Notable people with the surname include:
Ajahn Amaro, English Buddhist monk
Mariane Amaro (born 1993), French footballer
Melanie Amaro, American singer and talent show winner
Rubén Amaro, Jr. (born 1965), American Major League Baseball baseball player and general manager
Rubén Amaro, Sr. (born 1936), Cuban–Mexican baseball player
Wojciech Modest Amaro (born 1972), Polish chef, restaurateur and television personality