Cognomen Oelkers (Oelkers 
, Ölkers ) , all around the world, is quite a rare last name. The family name Oelkers is characteristic of Germany, where it is quite a rare surname, the United States, where it is a rare surname, and Denmark. In absolute terms, it is commonest in Germany, the United States, and Canada.
| VARIANT | COUNTRY |
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| Oelkers | Germany, Australia, United States, Canada, Denmark |
| Ölkers | Germany |
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olga oelkers fencer, DE (b. 1887) |
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| johann oelkers DE (b. 1849) |
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| victor oelkers German politician, DE (b. 1881) |
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| julius oelkers German university teacher (1882-1963), DE (b. 1882) |
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| hans-adolph oelkers (b. 1901) |
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| george oelkers Canadian basketball player, CA (b. 1928) |
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claire oelkers German actress, DE (b. 1985) |
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| jürgen oelkers German educationist, DE (b. 1947) |
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| bryan oelkers Spanish baseball player, US (b. 1961) |
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| julia oelkers (b. 1968) |
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| nina oelkers DE (b. 1969) |
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| eric h oelkers researcher |
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| benjamin oelkers researcher |
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| ryan oelkers American cyclist, US |
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| peter oelkers researcher |
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