Family name Buyag (Buyag 
) , all around the world, is a rare cognomen. The cognomen Buyag is habitual in Philippines, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Buyag is the forename as well as the last name.
Abe, Daniel, Gerard, Joshua, Jovita, Julius, Estela, Edward, Herman, Vermel, Mariano, Mateldi, Armando, Arsenio, Abraham, Asteria, Charles, Carmelo, Beatriz, Rosario, Domingo, Lourdes, Rhayan, Reydel, Robert, Krisma, Paul, Joan, Maria, Minda, Sanny, Randy, Rexor, Danny, Daves, Joyce, Elpidio, Tober, Ester, Edgar, Emily, Venia, Freda, Marvin, Stevan, Albert, Arnold, Claver, Elmer, and Faemarie