Last name นิ่มวิบูลย์สม (นิ่มวิบูลย์สม, Nimwiboonsom 
) , all over the world, is a very rare surname. The cognomen นิ่มวิบูลย์สม is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Nimwiboonsom | Thailand |