Surname Inrun (Inrun 
) , in the world, is a very rare cognomen. The surname Inrun is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is an extremely rare surname. Much less frequently, Inrun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Inrun | Cambodia, Malaysia, India, Thailand |