Surname Jajor (Jajor 
) , in the entire world, is a rare family name. The cognomen Jajor is characteristic of Poland, where it is a rare surname, Belgium, where it is a very rare surname, and Germany. Not in comparison with a country's population, this name is the most popular in Poland, Germany, and India. Likewise, Jajor is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jajor | Germany, Belgium, India, Thailand, Poland |
| jan jajor Polish historian, PL (b. 1939) |
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| julia jajor researcher (ORCID 0000-0002-2468-4705) |
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| paweł jajor researcher (ORCID 0000-0003-3661-7486) |
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