Cognomen Pattanachak (Pattanachak 
) , in the world, is a very rare last name. The family name Pattanachak is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Pattanachak is the forename as well as the last name.
Kittapas, Kittipong, Nattatida, Patcharaporn, and Patcharabhorn