Family name Jailak (Jailak 
) , in the entire world, is a rare cognomen. The surname Jailak is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Jailak is the forename as well as the last name.
Man, Pathnarint, Peerawat, Prattana, Jutiphol, Jirachot, Tanaporn, Tossapol, Chutiman, Teerapol, Woraphan, Worathon, Sakuntala, Patumporn, Prapatsri, Phonpitchaya, Jeerapong, Naruemon, Arunchai, Sittirat, Sarayoot, Mana, Jira, Sunan, Sunet, Sunun, Bodin, Aticha, Komkid, Jitdao, Tiwath, Nilnat, Malapon, Surasak, Supalak, Phartsa, Jomkwan, Witsanu, Nareenart, and Wannasiri