Cognomen Kiadtisak (Kiadtisak 
) , throughout the world, is an extremely rare family name. The surname Kiadtisak is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more frequently, Kiadtisak is the forename as well as the last name.
Jino, Chaiyana, Bunthong, Pengsing, Jantamee, Thaensuk, Nuansane, Wudtipan, Sitthisak, Kampachan, Kodchaply, Vuthisarn, Suriyawong, Cheewinthitirat, Kanchaisak, Khongphasee, Khongpasee, Phongprayun, Yongkiadtikan, Saenboonruang, Saengsuriyan, Charoenratsami, Aiangouam, Amnuankhana, Suchinno, Ngamwaen, Saedu, Ladam, Faemchaem, Somsoi, Chusuk, Puedpakwan, Runktanapum, Nusang, Yeesin, Meemana, Khongcharoen, Santeng, Saeyang, Sivilai, Suepsri, Srichay, Boonsit, Buangam, Kaewsri, Ramarsa, Tammati, Tongnet, Saengla, and Phithakpratchayakul