Family name Krairoek (Krairoek 
) , in all the world, is a very rare cognomen. The cognomen Krairoek is characteristic of Thailand, where it is a very rare surname, and China, where it is an extremely rare surname. More prevalently, Krairoek is the forename as well as the last name.
Suwan, Chaimongkoi, Musikapodok, Waiwattana, Homsongklin, Thatsrithai, Darunsat, Pansomboon, Khongrung, Bangsribun, Thaksinanusorn, Chuayorn, Santiarworn, Dumdook, Kaewsan, Sungroumjai, Nadtha, Phanto, Sophak, Somkit, Somsa, Silakhom, and Laksanaphirom