Surname Purith (บริสุทธิ์ 
, Purith 
) , in all the world, is quite a rare last name. The last name Purith is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname. Much less frequently, Purith is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| บริสุทธิ์ | Thailand |
| Purith | United States, India, Thailand |