Surname Willanger (Willanger 
) , globally, is a very rare cognomen. The last name Willanger is habitual in Norway, where it is a rare surname, the United States, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Much less frequently, Willanger is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Willanger | Norway, United States, Venezuela |