Cognomen Sundvahl (Sundvahl 
) , in the entire world, is a very rare last name. The family name Sundvahl is characteristic of Northern America, particularly Canada, where it is an extremely rare surname, and the United States. Very seldom, Sundvahl is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sundvahl | Canada, United States |