Family name พิพัฒน์กุลดิลก (พิพัฒน์กุลดิลก 
) , throughout the world, is a very rare surname. The cognomen พิพัฒน์กุลดิลก is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พิพัฒน์กุลดิลก | Thailand |