Family name Okkenhaug (Okkenhaug 
) , all over the world, is a rare cognomen. The last name Okkenhaug is characteristic of Northern Europe, particularly Norway, where it is quite a rare surname, and the United Kingdom, where it is an extremely rare surname. Much less frequently, Okkenhaug is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Okkenhaug | Norway, United Kingdom |
|
johannes okkenhaug Norwegian politician and farmer, NO (b. 1857) |
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| paul okkenhaug NO (b. 1853) |
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| sigrun okkenhaug Norwegian writer (1889-1939) (b. 1889) |
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| paul okkenhaug Norwegian musician and composer (b. 1908) |
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karin okkenhaug Norwegian singer-songwriter (b. 1977) |
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karin okkenhaug vocalist and songwriter |
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| erling okkenhaug Norwegian activist (b. 1951) |
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| klaus okkenhaug researcher (b. 1970) |
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| inger marie okkenhaug (b. 1963) |
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| hanneke okkenhaug researcher |
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