Cognomen ปิ่นมุก (Pinmuk 
, ปิ่นมุก) , around the globe, is a very rare family name. The cognomen ปิ่นมุก is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, ปิ่นมุก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pinmuk | Thailand |