Last name Aaij (Aaij 
) , throughout the world, is a rare family name. The last name Aaij is habitual in Netherlands, where it is a rare surname, Indonesia, where it is a very rare surname, and Norway. Not in comparison with a country's population, it is the most numerous in Indonesia, Netherlands, and Germany. Also, Aaij is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aaij | Germany, United States, India, Netherlands, Indonesia |
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michel aaij American Wikipedia editor/administrator and university professor, US |
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| laurens aaij Dutch photographer, NL (b. 1976) |
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| roel aaij particle physicist at NIKHEF, member of LHCb collaboration |
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