Family name Mongson (Mongson 
) , across the world, is a rare cognomen. The family name Mongson is habitual in Ghana, where it is a rare surname, Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Mongson is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mongson | Tanzania, Thailand, United States, Ghana, India |