Family name Pinij (Pinij 
) , in all the world, is a rare last name. The cognomen Pinij is habitual in Thailand, where it is a rare surname, Spain, where it is an extremely rare surname, and China. More frequently, Pinij is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pinij | Thailand, United States, Spain, China, Germany |