Cognomen Dumayan (Dumayan 
) , across the world, is a rare surname. The surname Dumayan is habitual in Philippines, where it is a rare surname, and India, where it is an extremely rare surname. Much less frequently, Dumayan is the forename as well as the last name.
Amy, Marife, Manuel, Samuel, Sahlee, Sheryl, Shiela, Alicia, Albert, Aileen, Chilyn, Ronald, Ronelo, Ligaya, Lolita, Jayson, Joseph, Jhoana, Nonita, Esther, Evelyn, Virgie, Vilma, Eddie, Edwin, Elena, Joy, Alex, Reny, Remy, Ruel, Gina, Jose, Joey, Jovy, Jojo, Oliver, Jean, Nune, Edna, Arnel, Pedro, Daisy, Gerry, Lenny, Jerry, Juana, Nomer, Jhon, and Olivia