Last name Rognes (Rognes 
, Rogness 
) , in the entire world, is quite a rare cognomen. The last name Rognes is characteristic of Norway, where it is quite a rare surname, the United States, where it is a rare surname, and Estonia. Measured by absolute frequency, this name is the most popular in the United States, Norway, and Canada. Likewise, Rognes is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Rognes | Norway, Cuba, Democratic Republic of the Congo, United States, Nigeria |
| Rogness | Canada, Israel, Croatia, United States, Nigeria |
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john rognes Norwegian military officer and Milorg pioneer (1902-1949), NO (b. 1902) |
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john rognes Norwegian mathematician and professor, NO (b. 1966) |
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| knut rognes Norwegian entomologist (1943–2020), NO (b. 1943) |
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| waldemar rognes Norwegian psychologist (b. 1946) |
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| harald rognes NO (b. 1949) |
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| ingrid nygren rognes researcher |
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| torbjørn rognes researcher |
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| andré rognes Dr. Philos Universitetet i Oslo 2013 |
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| marie rognes Norwegian mathematician (b. 1982) |
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| pia antonsen rognes textile artist from Norway, NO (b. 1986) |
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