Surname บุญเสริม (บุญเสริม 
, Boonserm 
, Bunserm ) , throughout the world, is quite a common last name. The last name บุญเสริม is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname. More frequently, บุญเสริม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| บุญเสริม, Bunsoem | Thailand |
| Boonserm | India, United States, Thailand |
| Bunserm | United States, Thailand |
Boonkherm, Boonparsup, Boonpaserd, Boonpauk, Boonphoerm, Boonsameret, Boonsanam, Boonsoe, Boonsoem, Boonsurm, Bunnerm, Bunrerm, and Bunsaerm