Surname Køhn (Køhn 
) , worldwide, is a very rare family name. The cognomen Køhn is characteristic of Northern Europe, particularly Denmark, where it is a rare surname, and Norway.
| alfred køhn Norwegian architect, NO (b. 1861) |
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| ferdinand køhn Norwegian photographer, NO (b. 1875) |
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| johanne køhn Norwegian photographer, NO (b. 1877) |
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øystein køhn NO (b. 1949) |
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sigurd køhn Norwegian jazz musician (1959-2004), NO (b. 1959) |
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| carl martin køhn |
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