Cognomen Tambag (Tambag 
) , worldwide, is a rare last name. The family name Tambag is habitual in Philippines, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Tambag is the forename as well as the last name.
Mary, Rommel, Romria, Renald, Daniel, Danilo, Dodong, Gloria, Leonor, Janice, Jamael, Joseph, Jonard, Jesusa, Julius, Judith, Nadine, Nestor, Enrico, Emedes, Isaias, Marcela, Rahima, Parida, Bernie, Cherry, Pisa, Jane, John, Joey, Maria, Susan, Romel, Dulfa, Lurix, James, Maryvic, Junie, Flora, Irmah, Mariam, Marlyn, Meriam, Susana, Albert, Angela, Arlene, Adrian, Ernie, and Ma Kaden