Surname บุญสมจิตร (บุญสมจิตร 
, Bunsomjit , Bunsomchit ) , all around the world, is a very rare cognomen. The cognomen บุญสมจิตร is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bunsomjit, บุญสมจิตร, Bunsomchit, Boonsomjit | Thailand |
Boonsomchit, and Boonsomchitr