Surname ไพนิตย์ (ไพนิตย์ 
) , in all the world, is a very rare last name. The surname ไพนิตย์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, ไพนิตย์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ไพนิตย์ | Thailand |