Surname Lorentzen (Lorentzen 
, Лоренцен 
) , in the world, is quite a common last name. The surname Lorentzen is habitual in Greenland, where it is quite a common surname, Norway, and Denmark. In absolute terms, this name is the most popular in Norway, Denmark, and the United States.
| VARIANT | COUNTRY |
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| Lorentzen | Denmark, Germany, Norway, Sweden, United States |
| Лоренцен | Ukraine |
Laurantzon, Laurentsson, Lorensen, Lorenson, Lorensson, Lorentsen, Lorentson, Lorentzon, Lorentzson, Lorenzen, and Лорентзен
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christian august lorentzen Danish painter (1749-1828), DK (b. 1749) |
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gustavus lorentzen Norwegian ship-owner (1766-1828) (b. 1766) |
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karl lorentzen German classical philologist (1817-1888), DE (b. 1817) |
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| friedrich august lorentzen DE (b. 1765) |
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j.f. lorentzen DK (b. 1818) |
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| frederik severin lorentzen Norwegian politician (b. 1794) |
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| carl friedrich adolph lorentzen german painter, DE (b. 1801) |
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| hans peter lorentzen Danish merchant (b. 1810) |
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oluf lorentzen NO (b. 1858) |
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hans bie lorentzen engineer, inventor, business executive and businessman (1877-1928), NO (b. 1877) |
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| evani lorentzen 1829-1902 translator (b. 1829) |
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øivind lorentzen Norwegian shipping magnate (1881-1980), NO (b. 1881) |
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| johann heinrich wilhelm lorentzen DE (b. 1828) |
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| hans ludvig lorentzen Norwegian ship owner, NO (b. 1840) |
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henriette bie lorentzen Norwegian humanist and editor, NO (b. 1911) |
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