Family name Osmundson (Osmundson 
) , around the world, is a rare last name. The last name Osmundson is characteristic of the United States, where it is a rare surname, Canada, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
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| Osmundson | Canada, Venezuela, Brazil, United Kingdom, United States |
| osmund osmundson American politician – Minnesota -House 1872-73 (District 18), US (b. 1826) |
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| anne osmundson American politician, US (b. 1957) |
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| ryan osmundson American politician in Montana (born 1979), US (b. 1979) |
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| barbara c osmundson researcher (ORCID 0000-0002-0550-5791) |
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| sarah s osmundson gynecologist |
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| todd w. osmundson botanist |
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| joseph osmundson American scientist and writer, US (b. 1983) |
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| eric osmundson American basketball player, US (b. 1983) |
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| barbara campbell osmundson |
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