Surname Insum (Insum 
) , around the world, is a very rare cognomen. The last name Insum is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Likewise, Insum is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Insum | Canada, India, United States, Indonesia, Thailand |