Surname พิลาศ (พิลาศ 
, Pilatluck ) , in the entire world, is an extremely rare cognomen. The surname พิลาศ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, พิลาศ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พิลาศ, Pilatluck | Thailand |