Family name Westerhaug (Westerhaug 
) , in all the world, is a very rare last name. The last name Westerhaug is characteristic of Norway, where it is a rare surname, New Zealand, and Canada, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Westerhaug | New Zealand, United States, Norway, Canada |
| lene aarnes westerhaug (b. 1968) |
|