Cognomen สุนทรพินิจ (สุนทรพินิจ 
, Sunthornpinij , Sunthonphinit 
) , all over the world, is a rare last name. The last name สุนทรพินิจ is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Suntornpinit, สุนทรพินิจ, Sunthornpinij | Thailand |
| Sunthonphinit | United States, Thailand |
Soonthornpinit, Soothornpinit, Sunphornphinit, Sunthonpinit, Sunthronpinit, and Suntornpinij