Cognomen Izzadeen (Izzadeen 
) , around the world, is a rare family name. The cognomen Izzadeen is habitual in Sri Lanka, where it is quite a rare surname, Oman, where it is a rare surname, and Germany, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Sri Lanka, Oman, and Nigeria. Much less frequently, Izzadeen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Izzadeen | India, Sri Lanka, Oman, Nigeria, Germany |
| abu izzadeen British terrorist, GB (b. 1975) |
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| mohamed izzadeen Sri Lankan footballer, LK (b. 1979) |
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