Surname Putthachat (Putthachat 
) , all around the world, is a very rare last name. The cognomen Putthachat is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Putthachat is the forename as well as the last name.
Tuk, Ketthongsong, Boonpichai, Chitsawang, Chantharat, Suwanmanee, Thongkorn, Petcharat, Chaisombat, Jintawach, Lamthong, Dampitak, Kunhayuva, Angnakoon, Inbumroong, Pechtong, Kongrit, Chantra, Sripong, Inpitux, Ragpaiboon, Kesorn, Kasorn, Sinted, Wongsuvanich, and Yungboonsuk