All around the world, Salahudeen (Salahudeen 
) is quite a common unisex given name. The first name Salahudeen is habitual in Nigeria, where it is quite a rare epicene name, Qatar, where it is quite a rare masculine name, and United Arab Emirates. Not in comparison with a country's population, this name is the most popular in Nigeria, Saudi Arabia, and United Arab Emirates. Likewise, Salahudeen is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Salahudeen | Saudi Arabia, India, Nigeria, United Arab Emirates, Sri Lanka |
| sayeed salahudeen Kashmiri militant, IN (b. 1946) |
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| alhati salahudeen (b. 1953) |
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| ameen a salahudeen researcher |
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| salahudeen mohamed researcher (ORCID 0000-0002-8065-7912) |
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