Surname Jaja (Jaja 
, Яя 
, چاچا 
) , around the world, is a common family name. The surname Jaja is characteristic of North Macedonia, where it is quite a rare surname, Nigeria, and Albania. Not in comparison with a country's population, it is the most numerous in Nigeria, Indonesia, and Ethiopia. Also, Jaja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jaja | India, Morocco, Indonesia, Ethiopia, Nigeria |
| Яя | Ukraine, Russia, Kyrgyzstan, Kazakhstan |
| چاچا | Saudi Arabia |
| Жажа | Ukraine, Russia, Kazakhstan |
| donato jaja Italian philosopher, IT (b. 1839) |
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| goffredo jaja Italian geographer, IT (b. 1874) |
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| ibrahim jaja Lebanese alpine skier, LB |
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| ishmael festus jaja researcher |
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| joseph farid jaja Ph.D. Harvard University 1977 |
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| tamunosisi gogo jaja politician |
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| joyce jaja Zimbabwean politician |
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| seth accra jaja Nigerian academic, NG |
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