Cognomen Slageren (Slageren 
) , around the globe, is a rare surname. The surname Slageren is habitual in Netherlands, where it is a rare surname, Germany, where it is an extremely rare surname, and Canada. Much less frequently, Slageren is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Slageren | Netherlands, Canada, United States, United Kingdom, Germany |
| jaap van slageren (b. 1933) |
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| michiel wilhelmus seerp joannes maria van slageren botanist (b. 1955) |
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| joris van slageren researcher ORCID ID = 0000-0002-0855-8960 |
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