Cognomen Masrun (Masrun 
) , all around the world, is quite a rare family name. The family name Masrun is habitual in South-eastern Asia, particularly Malaysia, where it is a rare surname, Indonesia, and Singapore, where it is a very rare surname. In absolute terms, it most frequently occurs in Indonesia, Malaysia, and India. Also, Masrun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Masrun | Philippines, Singapore, India, Indonesia, Malaysia |