Surname Børtnes (Børtnes 
) , around the globe, is a very rare family name. The family name Børtnes is habitual in Northern Europe, particularly Norway, where it is a rare surname.
| knut brunsvoll børtnes (b. 1827) |
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| torvald børtnes Norwegian author (b. 1907) |
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| jostein børtnes Norwegian philologist and professor (b. 1937) |
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