Cognomen Pattachai (Pattachai 
) , across the world, is an extremely rare last name. Predominantly, Pattachai is the forename as well as the last name.
Sansuck, Sontilap, Khanopthammakun, Klaewkla, Tanapiphatchod, Kunakornthamrong, Ratsameemonton, and Ratsameemonthon