Last name Olsnes (Olsnes 
) , worldwide, is a rare family name. The cognomen Olsnes is characteristic of Norway, where it is quite a rare surname, Spain, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Much less frequently, Olsnes is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olsnes | Brazil, United Kingdom, Norway, Spain |
| sjur olsnes Norwegian professor of medicine (1939-2014) (b. 1939) |
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| øivind olsnes Norwegian politician (b. 1953) |
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