All around the world, Ottesen (Ottesen 
) is an extremely rare unknown gender forename. Much more prevalently, Ottesen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ottesen | Sweden, Norway, Iceland, United States, Denmark |
| otte ottesen Norwegian farmer (b. 1802) |
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| sire ottesen (b. 1799) |
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|
helle ottesen Norwegian actress (b. 1946) |
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| aase m ottesen researcher |
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| bent ottesen researcher |
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| taylor d ottesen researcher |
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| kasper ottesen Danish handball player (b. 1987) |
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| sturla ottesen Norwegian footballer |
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