Around the world, Jaja (Jaja 
, Яя 
, چاچا 
) is a common gender-neutral forename. The given name Jaja is characteristic of Aruba, where it is quite a common feminine name, Nigeria, where it is quite a rare gender-neutral name, and Indonesia, where it is quite a rare predominantly male, but very seldom girly name. Not in comparison with a country's population, it is commonest in Indonesia, Nigeria, and India. Likewise, Jaja is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jaja | India, Nigeria, Ethiopia, Indonesia, Morocco |
| Яя | Kazakhstan, Kyrgyzstan, Russia, Ukraine |
| چاچا | Saudi Arabia |
| Жажа | Kazakhstan, Russia, Ukraine |
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jaja of opobo Nigerian businessman, NG (b. 1821) |
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| jaja de opobo politician (b. 1821) |
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| jaja sattler German translator (1902-1944), DE (b. 1902) |
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| jaja wachuku Nigerian lawyer, politician and diplomat (1918-1996), NG (b. 1918) |
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| jaja mihardja Indonesian actor, ID (b. 1944) |
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| jaja jaelani ID (b. 1965) |
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| jaja subagja ID (b. 1965) |
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| jaja sutedja Indonesian political candidate, ID |
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| jaja bolivar actor, PH |
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| jaja soze British musician, GB (b. 1980) |
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| promise tamunoipriala jaja researcher (ORCID 0000-0003-2999-7097) |
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| jaja triharja Indonesian political candidate, ID |
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| jaja iliyes Malaysian actress and model, MY (b. 1995) |
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| jaja mulongo CD (b. 1986) |
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