Surname Knudtson (Knudtson 
) , throughout the world, is quite a rare family name. The cognomen Knudtson is characteristic of Norway, where it is a rare surname, the United States, and Canada.
| VARIANT | COUNTRY |
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| Knudtson | Norway, Canada, New Zealand, United States, Venezuela |
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redvald knudtson Norwegian politician (1870-1956) (b. 1870) |
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frederic knudtson American film editor (1906-1964), US (b. 1906) |
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| w. t. knudtson American politician, US (b. 1888) |
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| peter knudtson (b. 1947) |
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| jennifer f knudtson researcher (ORCID 0000-0002-6121-9642) |
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| kelly knudtson researcher |
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| merril knudtson researcher |
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| merill knudtson researcher |
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