Cognomen Khoiruddin (Khoiruddin 
) , in the entire world, is quite a rare surname. The surname Khoiruddin is habitual in South-eastern Asia, particularly Indonesia, where it is quite a rare surname, and Malaysia, where it is a rare surname. Very seldom, Khoiruddin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khoiruddin | Indonesia, United States, Malaysia, India |
| khoiruddin rambe Indonesian politician (born 1972 in Padang Sidimpuan), ID (b. 1972) |
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| khoiruddin khoiruddin researcher (ORCID 0000-0002-9816-3646) |
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