Around the world, Kees-Jan (Kees-Jan 
) is a very rare male given name. The forename Kees-Jan is habitual in Western Europe, particularly Netherlands, where it is a rare masculine name. Parts of the name also exists independently as a first name Kees, and a last name Jan.
| VARIANT | COUNTRY |
|---|---|
| Kees-Jan | Netherlands, United States |
| kees-jan van der klooster Dutch alpine skier, NL (b. 1977) |
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| kees-jan weststrate researcher |
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| kees-jan mulder (b. 1986) |
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De, Groen, Elich, Hoven, Vries, Vliet, Meijer, Everts, Beukema, Goorissen, Glashouwer, Leeuwen, Verwaal, Veltmeijer, Overdevest, Weijden, Koppenaal, Riemersma, Gerhartl, Waterman, Vermeulen, Diepstraten, Guijt, Klein, Smink, Sikma, Mol, Kan, Kok, Pel, Dam, Los, Til, Hof, Van, Mars, Langenberg, Sier, Smak, Avis, Boos, Blom, Klap, Roos, Dijk, Louw, Jong, Oppe, Smit, and Hoogerheide