Family name Friderichsen (Friderichsen 
) , throughout the world, is a rare cognomen. The last name Friderichsen is habitual in Denmark, where it is quite a rare surname, Chile, where it is a very rare surname, and Colombia.
| VARIANT | COUNTRY |
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| Friderichsen | Canada, Colombia, Mexico, Chile, Denmark |
Frederiksen, Fredricson, Fredricsson, Fredriksen, Fredrikson, Fredriksson, Fridrichsen, Friederichsen, Friedrichsen, Фредериксен, Фредриксен, and Фредрикссон
| johan friderichsen (b. 1603) |
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| johan ditlev friderichsen DK (b. 1791) |
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| peter kristian nicolaj friderichsen Danish botanist (1853-1932) (b. 1853) |
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| carl friderichsen Danish lawyer (1858-1942), DK (b. 1858) |
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| m.w. friderichsen DK (b. 1864) |
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| viggo friderichsen DK (b. 1875) |
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| carl friderichsen (b. 1886) |
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| frederikke friderichsen (b. 1965) |
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| anders v friderichsen researcher (ORCID 0000-0002-0485-4906) |
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