Cognomen Ontay (Ontay 
) , around the world, is a rare last name. The last name Ontay is characteristic of Philippines, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Ontay is the forename as well as the last name.
Gã, Melchor, Ansilmo, Corazon, Dominga, Learjem, Jenylyn, Ernesto, Emelita, Mary Ann, Melanie, Angelita, Cristina, Rosalita, Rodelito, Florenda, Wilfredo, Geraldine, Estrenily, Marie Beth, Estrellita, Abdullah, Melinda, Maricel, Marilyn, Romy, Rito, Pinky, Ranny, Roger, Ricky, Jolly, Jenie, Nancy, Helen, Hilda, Moises, Melvin, Arthur, Arlene, Pamela, Ronald, Dedima, Lorita, Jayson, Evelyn, Hermigildo, and Christopher