Last name Chaiyaphan (ชัยพันธ์ 
, ชัยพันธุ์ , Chaiyaphan 
) , across the world, is quite a rare family name. The last name Chaiyaphan is characteristic of Thailand, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Likewise, Chaiyaphan is the forename as well as the last name.
Yot, Amornrat, Athiphan, Apichaya, Chewaporn, Bhromapiriya, Kanokkan, Kanobporn, Penpilai, Prapakorn, Prissana, Thitapha, Yoswadee, Sureeporn, Chaivirat, Chayakorn, Chittakon, Chewaphorn, Chutharat, Boonkwang, Prathomwichan, Preyaphan, Siraphop, Saowanee, Wannapa, Nipapan, Satja, Supin, Kanda, Rinda, Jarun, Wilai, Wimut, Satcha, Suchin, Bunrak, Pornthida, Jenesa, Nabhat, Nitiya, Maliwan, Boonsam, Patreeya, Panatda, Paphada, Piyanat, Tanakon, Narumol, Thanad, and Rungnapha