Family name Chaiyadet (ชัยเดช 
, Chaiyadet 
) , all around the world, is quite a rare cognomen. The family name Chaiyadet is habitual in Thailand, where it is quite a rare surname, and Finland, where it is a very rare surname. Also, Chaiyadet is the forename as well as the last name.
Suwit, Patteera, Paphakin, Peerawat, Pornwipa, Phapakin, Rachanee, Rutthichai, Naruemon, Naruimon, Nannapat, Nunnapat, Wanrawin, Wattaneat, Watthana, Wipavadee, Yupornpan, Saisamorn, Chiamchai, Passakorn, Pornwalai, Punyaporn, Benjamat, Chatchai, Apiradee, Somkhuan, Nirun, Arphon, Amnuay, Adinan, Aiyada, Kampan, Pichai, Thawat, Nitima, Suphraiwan, Thanaporn, Somjhai, Bunthom, Kanjana, Panapat, Pisamon, Daosawan, Thatcha, Onanong, Ungsuthorn, Malaporn, Songupsorn, Chaiwat, and Teerapong