Surname Wilstan (Wilstan 
) , throughout the world, is an extremely rare cognomen. The family name Wilstan is habitual in Nicaragua, where it is a very rare surname, Honduras, and the United States, where it is an extremely rare surname. Likewise, Wilstan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wilstan | United States, Nicaragua, South Africa, India, Honduras |