Family name Neefjes (Neefjes 
) , globally, is a rare cognomen. The cognomen Neefjes is habitual in Netherlands, where it is quite a rare surname, Norway, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Netherlands, Norway, and the United States. Much less frequently, Neefjes is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Neefjes | Norway, Netherlands, Spain, Brazil, United States |
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sjaak neefjes university teacher at Leiden University, NL (b. 1959) |
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| joep neefjes photographer, NL (b. 1949) |
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| jan neefjes Dutch geographer, NL (b. 1961) |
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| annemiek neefjes Dutch literary journalist, NL (b. 1964) |
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| anna c m neefjes researcher (ORCID 0000-0003-2438-9332) |
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| elisabeth c w neefjes researcher |
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| tessa neefjes Dutch cyclist, NL (b. 1996) |
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