Surname Tonnesen (Tonnesen 
) , all around the world, is quite a rare cognomen. The cognomen Tonnesen is habitual in Denmark, where it is quite a rare surname, Malta, and Norway. Not in comparison with a country's population, it is commonest in the United States, Denmark, and Norway.
| VARIANT | COUNTRY |
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| Tonnesen | Norway, Poland, United States, Denmark, South Africa |
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beatrice tonnesen American photographer (1871-1958), US (b. 1871) |
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| hans tonnesen (b. 1854) |
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| johannes tonnesen DK (b. 1882) |
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| pernille tonnesen researcher (ORCID 0000-0002-0869-6490) |
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| stephanie tonnesen researcher |
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| roger tonnesen college basketball player (1955–1955) Utah |
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| jan tonnesen researcher ORCID ID = 0000-0003-3663-8463 |
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| _ tonnesen college basketball player (1954–1954) Utah |
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| david tonnesen Ph.D. University of Toronto 1998 |
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