Surname Vichaikul (Vichaikul 
) , across the world, is a rare family name. The last name Vichaikul is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
Kia, Samniang, Sirintip, Chantana, Chidapha, Kannikar, Kornthip, Kimpoung, Panukorn, Pornthep, Unyanee, Pongthep, Lattapon, Lertchai, Jinnicha, Jittiyada, Thanakan, Tidaporn, Vatchara, Alangkarn, Wannaporn, Phaitool, Uraiwan, Worawan, Varunee, Oak, Beth, Nick, Nisa, Nutt, Patsy, Tawat, Nipon, Sirapa, Bangon, Juliet, Jirapa, Tipwan, Intira, Orapin, Prathum, Phichai, Lertsak, Lertsuk, Jun-Jun, Nakarin, Prapassorn, and Preeyaporn