Cognomen Wilsun (Wilsun 
) , around the globe, is an extremely rare last name. The surname Wilsun is habitual in the United Kingdom, where it is an extremely rare surname, and the United States. More prevalently, Wilsun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wilsun | China, United Kingdom, Philippines, United States, India |