Cognomen Bjertnes (Bjertnes 
) , around the world, is a rare surname. The family name Bjertnes is habitual in Norway, where it is quite a rare surname, Afghanistan, where it is a rare surname, and Switzerland. Not in comparison with a country's population, the name is most common in Norway, Afghanistan, and the United States.
| VARIANT | COUNTRY |
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| Bjertnes | Norway, Greece, Switzerland, United States, Afghanistan |
| carl fredrik bjertnes Norwegian missionary (b. 1868) |
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| maren sofie bjertnes Norwegian missionary (b. 1875) |
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| anna margrethe bjertnes Norwegian missionary (b. 1877) |
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ellen bjertnes Norwegian speed skater, NO (b. 1994) |
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| trond bjertnes Norwegian musician |
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Mr, Inger, Martin, Alison, Anette, Amanda, Breann, Kjetil, Reidun, Daniel, Lilian, Thomas, Henrik, Michael, Brandon, Kristin, Jessica, Håvard, Caroline, Kolbjørn, Hanne, Carl-Gustav, Eirik, Trond, Ms, Siw, Aud, Hã, Mary, Mark, Anne, Carl, John, Thea, Erik, Olga, Stein, Scott, Anita, Kerri, Keith, Johno, Terje, Ellen, and Josephine