Across the world, Geertjan (Geertjan 
) is a very rare masculine forename. The first name Geertjan is habitual in Western Europe, particularly Netherlands, where it is a rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| Geertjan | Belgium, Netherlands, Greece, Germany, United States |
| geertjan van oostende NL (b. 1941) |
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| geertjan lassche Dutch journalist, NL (b. 1976) |
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| geertjan cornelissen NL (b. 1969) |
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| geertjan overbeek researcher |
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| geertjan huiskamp researcher (ORCID 0000-0001-6397-5559) |
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| geertjan de vugt Coordinating policy advisor Forum / Secretary, NL (b. 1985) |
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| geertjan zuijdwegt |
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| geertjan wenneker |
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| geertjan dusseljee |
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