Surname Kumsing (Kumsing 
) , in the world, is a rare cognomen. The surname Kumsing is characteristic of Thailand, where it is a rare surname, and India, where it is an extremely rare surname. Much less frequently, Kumsing is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kumsing | United States, Thailand, India |