Surname Hellesø (Hellesø 
) , around the world, is a very rare family name. The family name Hellesø is habitual in Northern Europe, particularly Norway, where it is a rare surname, and Denmark, where it is a very rare surname.
| atle hellesø Norwegian association football player (b. 1948) |
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| terje hellesø Norwegian photographer, NO (b. 1964) |
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| ragnhild hellesø researcher (ORCID 0000-0002-7757-6521) |
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| amund hellesø (b. 1976) |
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