Surname บัวสิน (บัวสิน 
, Buasin 
) , around the world, is a rare cognomen. The cognomen บัวสิน is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and Indonesia. Much less frequently, บัวสิน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| บัวสิน | Thailand |
| Buasin | Indonesia, Malaysia, Thailand, Philippines |