Family name Guntinun (Guntinun 
) , throughout the world, is an extremely rare cognomen. Much more frequently, Guntinun is the forename as well as the last name.
Boonsa, Chantha, Bonkrathok, Pamanee, Supsukon, Srisupan, Prukphanom, Rukchuan, Taiyathip, Aussaneepunyanon, and Hongchukiat