DaCosta may refer to:

People António Dacosta (1914–1990), Portuguese painter and poet Morton DaCosta (1914–1989), American theatre and film director, film producer, writer, and actor Nia DaCosta (born 1989), American film director, screenwriter, and producer Noel DaCosta (1929–2002), Nigerian-Jamaican composer, jazz violinist, and choral conductor Sagarika DaCosta (born 1970), Indian-Italian singer and actress Yaya DaCosta (born 1982), American actress and fashion model Dacosta Goore (born 1984), Ivorian football defender

Other uses DaCosta, New Jersey, an unincorporated community Martin DaCosta, fictional character from the Japanese SF anime television series Mobile Suit Gundam SEED