Last name Looijenga (Looijenga 
) , all around the world, is a rare surname. The cognomen Looijenga is characteristic of Netherlands, where it is quite a rare surname, Germany, where it is an extremely rare surname, and the United Kingdom. Measured by absolute frequency, it most frequently occurs in Netherlands, the United States, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Looijenga | United Kingdom, United States, Germany, Netherlands |
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eduard jacob neven looijenga Dutch mathematician, NL (b. 1948) |
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| aafje looijenga-vos Dutch university teacher (1928-2018), NL (b. 1928) |
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noortje looijenga entomologist from the Netherlands, NL |
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| tineke looijenga (b. 1948) |
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| thea looijenga (b. 1956) |
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| leendert looijenga researcher ORCID ID = 0000-0002-8146-1911 |
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