Family name Foldøy (Foldøy 
) , in the world, is a very rare last name. The surname Foldøy is characteristic of Northern Europe, particularly Norway, where it is a rare surname, and Denmark, where it is a very rare surname.
| vigdis foldøy (b. 1957) |
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| reidun elise foldøy Norwegian writer (b. 1971) |
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