Surname อินนิ่ม (Insom 
, อินนิ่ม) , in all the world, is quite a rare cognomen. The last name อินนิ่ม is habitual in Thailand, where it is quite a rare surname, Switzerland, where it is a rare surname, and Italy, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Thailand, Indonesia, and Italy. Very seldom, อินนิ่ม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Insom | Indonesia, France, Italy, Thailand, Switzerland |