Surname Okken (Okken 
) , in the world, is a rare cognomen. The last name Okken is habitual in Netherlands, where it is quite a rare surname, Germany, where it is a rare surname, and Myanmar, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Netherlands, Germany, and the United States. Much less frequently, Okken is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Okken | Canada, Germany, Netherlands, United States, Myanmar |
| titia okken (b. 1898) |
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arnoud okken Dutch middle distance runner, NL (b. 1982) |
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| jacob okken Dutch draughts player, NL (b. 1961) |
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| petrus adrianus okken Ph.D. Rijksuniversiteit Groningen 1913 |
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| petrus adrianus okken |
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| charetha okken association football player, NL (b. 1994) |
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