Cognomen Ungay (Ungay 
) , worldwide, is a rare surname. The cognomen Ungay is habitual in Philippines, where it is a rare surname, Turkey, where it is a very rare surname, and Mexico. Not in comparison with a country's population, it is the most numerous in Philippines, India, and Mexico. Very seldom, Ungay is the forename as well as the last name.
Alon, Helen, Inday, Ubhai, Manuel, Maxima, Seling, Andres, Badang, Roldan, Danilo, Doring, Lin-Ay, Lovena, Janeth, Julius, Teresa, Vergie, Marivie, Martina, Magrait, Merlita, Erlyn, Elena, Tomas, Jimmy, Amor, Asis, Aida, Awkk, Gian, Lane, Taib, Thon, Tony, Noel, Mildred, Elma, Emma, Fred, Maria, Mario, Momoy, Saban, Donie, Lucia, Jerry, Jelyn, Ermo, and Michael