Family name Rosewil (Rosewil 
) , across the world, is an extremely rare last name. The cognomen Rosewil is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. Much more prevalently, Rosewil is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rosewil | India, Venezuela, Philippines |