Surname Onagan (Onagan 
) , around the world, is a rare family name. The family name Onagan is characteristic of Philippines, where it is a rare surname, Turkey, where it is an extremely rare surname, and the United States.
Ed, Glenda, Joseph, Nenita, Editha, Edward, Imelda, Ofelia, Wendie, Marivic, Alberta, Anthony, Barbara, Phillip, Rowelyn, Richard, Ricalyn, Donggaas, Leticia, Luisito, Jayrald, Vincent, Ginger, Carmen, Sylvia, Maxine, Pat, Arzu, Bong, Ryan, Joey, Juvy, Elma, Yzza, Maria, Mario, Frances, Sarah, Boyet, Patty, Ramil, Romeo, Dongs, Gomer, Janet, Jaime, Jomar, Vance, April, and Mercedes