Worldwide, Ørnulf (Ørnulf 
) is a very rare boy's first name. The given name Ørnulf is habitual in Northern Europe, particularly Norway, where it is quite a rare male name.
| VARIANT | COUNTRY |
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| Ørnulf | Norway |
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ørnulf salicath Norwegian painter (1888–1962) (b. 1888) |
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ørnulf bast Norwegian sculptor (1907–1974), NO (b. 1907) |
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ørnulf lundesgaard NO (b. 1908) |
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ørnulf slåttelid Norwegian politician, NO (b. 1919) |
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ørnulf hodne Norwegian writer (b. 1935) |
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| ørnulf rød Norwegian lawyer, NO (b. 1891) |
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| ørnulf ree Norwegian writer (b. 1896) |
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| ørnulf dahl Norwegian general (b. 1900) |
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| ørnulf egge Norwegian politician (1910-1978) (b. 1910) |
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| ørnulf gulbransen Norwegian musician, NO (b. 1916) |
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| ørnulf ranheimsæter Norwegian illustrator and professor (1919-2007), NO (b. 1919) |
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| ørnulf tofte Norwegian police officer (1922-2020), NO (b. 1922) |
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| ørnulf g. christensen Norwegian politician (1925-1994) (b. 1925) |
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| ørnulf hagen Norwegian lawyer (b. 1930) |
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| ørnulf nandrup Norwegian politician (b. 1933) |
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Moen, Halmrast, Warberg, Ødegaard, Mathisen, Andresen, Borander, Pedersen, Rødseth, Lindstad, Lindblom, Jacobsen, Johansen, Immerstein, Martinsen, Charlesen, Berthinussen, Damsgaard, Grøndalen, Henriksen, Lillestøl, Christensen, Nordbø, Jenssen, Gaarder, Reinsve, Kiær, Ring, Dahl, Jahr, Rognmo, Daler, Hagen, Anholt, Bøhle, Kastet, Bernhardsen, Jansen, Elseth, Hansen, Holthe, Hunslund, Vøllestad, Opstad, Øierud, Mejdell, Seippel, Karlsen, Jensen, and Gulbrandsen