Nydia may refer to:
*
Alba Nydia Díaz (born 1955), Puerto Rican actress
*
Carmen Nydia Velázquez, born in Puerto Rico, a comedian and singer
*
Nydia Caro (born 1948), American and Puerto Rican actress and singer
*
Nydia Rojas (born 1980), American singer of Mexican/Cuban/Yaqui Indian heritage
*
Nydia Velázquez (born 1953), Puerto Rican American politician in the United States House of Representatives since 1993
*
Nydia Westman (1902–1970), American actress and singer of stage, screen and television
{{given name