Globally, Wan Zainuddin (Wan Zainuddin 
) is a very rare boy's first name. The given name Wan Zainuddin is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare male name. Likewise, Wan Zainuddin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Wan Zainuddin | Malaysia |