Surname Haraldsø (Haraldsø 
) , all around the world, is an extremely rare cognomen. The last name Haraldsø is habitual in Northern Europe, particularly Norway, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Haraldsø | Norway |
| brynjar haraldsø (b. 1925) |
|
Jonny, Celine, and Inger Lise