Family name Pattarachaya (Pattarachaya 
) , around the world, is an extremely rare cognomen. Much more prevalently, Pattarachaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pattarachaya | Thailand |
Pofun, Khongma, Champatho, and Chisawatanawanij