Surname Hellesøy (Hellesøy 
) , around the globe, is a very rare family name. The cognomen Hellesøy is characteristic of Northern Europe, particularly Norway, where it is a rare surname.
| arild hellesøy Norwegian provost (b. 1960) |
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| aslak hellesøy Software developer and author |
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| kjersti hellesøy |
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