Surname หนามแหลม (หนามแหลม 
, Prickpetch , Pricktong ) , throughout the world, is a very rare last name. The surname หนามแหลม is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, หนามแหลม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prickpetch, หนามแหลม, Thonhamkeaw, Pricktong | Thailand |