Surname Vandefan (Vandefan 
) , around the world, is a rare last name. The cognomen Vandefan is characteristic of Nigeria, where it is a rare surname, and the United States, where it is an extremely rare surname. Likewise, Vandefan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vandefan | United States, Nigeria |