Surname Kanphitchaya (Kanphitchaya 
) , in the world, is an extremely rare cognomen. Much more frequently, Kanphitchaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kanphitchaya | Thailand |
Yodya, Aukaradolwanich, Chaikham, Wutthanawasit, Thiangthammawitch, and Pattanasiriwanit