Last name Purachat (Purachat 
) , all over the world, is an extremely rare family name. The cognomen Purachat is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Purachat is the forename as well as the last name.
Posri, Thongserm, Pongprachakkul, Rattanawijite, and Watthanapornchai