In the world, Mutlu (Mutlu 
, Мутлу 
) is a common mostly masculine, but uncommonly girly forename. The first name Mutlu is characteristic of Turkey, where it is quite a common mostly boy's, but infrequently feminine name, Belgium, where it is a rare male name, and Bulgaria. In absolute terms, the name is most common in Turkey, France, and Germany. More prevalently, Mutlu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mutlu | Belgium, Turkey, France, Bulgaria, Germany |
| Мутлу | Russia, Turkey, Bulgaria, Kyrgyzstan, Ukraine |
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özcan mutlu German politician of Turkish descent, TR (b. 1968) |
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| mine mutlu Turkish actress, TR (b. 1948) |
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| halim mutlu researcher ORCID ID = 0000-0002-4100-1363 |
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| ali y mutlu researcher |
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| unal mutlu researcher |
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| akmer mutlu researcher |
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| ali mutlu Ph.D. University of Wales, Bangor 1997 |
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| gül yesiltepe mutlu researcher |
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| salih mutlu researcher |
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| memiş ali mutlu researcher |
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| turan mutlu researcher (ORCID 0000-0001-6799-9312) |
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| borte kose mutlu researcher (ORCID 0000-0001-9747-5499) |
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| gülden mutlu Turkish singer, TR (b. 1984) |
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| sevinç mutlu |
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| göksu mutlu football player (b. 1999) |
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