Surname Muhammad Ruzaini (Muhammad Ruzaini 
) , all over the world, is a rare cognomen. The surname Muhammad Ruzaini is characteristic of South-eastern Asia, particularly Brunei, where it is quite a rare surname, Singapore, and Malaysia, where it is a rare surname. Likewise, Muhammad Ruzaini is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Muhammad Ruzaini | Malaysia, Brunei, Singapore |