Cognomen Instanes (Instanes 
) , across the world, is a rare last name. The cognomen Instanes is habitual in Norway, where it is quite a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Instanes | United States, Norway, Spain |
| dagfinn instanes (b. 1919) |
|
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| bjarne instanes (b. 1925) |
|
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| christine instanes |
|