Cognomen Sundby (Sundby 
, ซันบี 
) , across the world, is quite a rare last name. The family name Sundby is characteristic of Northern Europe, particularly Norway, where it is quite a common surname, Denmark, where it is quite a rare surname, and Sweden, where it is a rare surname. Not in comparison with a country's population, the name is most common in Norway, the United States, and Denmark.
| VARIANT | COUNTRY |
|---|---|
| Sundby | Sweden, Norway, Canada, United States, Denmark |
| ซันบี | Thailand |
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gudmund sundby Norwegian engineer, NO (b. 1878) |
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gustav sundby Norwegian politician, NO (b. 1880) |
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jon sundby Norwegian politician (1883-1972), NO (b. 1883) |
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| ole sundby Norwegian politician (b. 1838) |
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| johannes thor sundby DK (b. 1830) |
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olof sundby Swedish bishop, SE (b. 1917) |
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robert d. sundby American judge, US (b. 1925) |
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sigrid sundby Norwegian speed skater, NO (b. 1942) |
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| kaare sundby Norwegian engineer, NO (b. 1905) |
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| arvid sundby NO (b. 1901) |
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| anders sundby Norwegian actor, NO (b. 1914) |
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| bertil sundby Swedish linguist, SE (b. 1919) |
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| glenn sundby American gymnast and magazine founder (b. 1921) |
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| ragnhild sundby Norwegian entomologist, professor and zoologist, NO (b. 1922) |
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| reidar sundby Norwegian footballer (1926-2014), NO (b. 1926) |
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