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Throughout the world, Effan (Effan
) is a rare predominantly masculine, but very seldom feminine first name. The first name Effan is habitual in Indonesia, where it is a very rare masculine name, Turkey, where it is a very rare unisex name, and Thailand, where it is a very rare boy's name. Measured by absolute frequency, it is the most numerous in Indonesia, Turkey, and Nigeria. Likewise, Effan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Effan | Thailand, Nigeria, Pakistan, United States, Indonesia |