Cognomen Sontagh (Sontagh 
) , throughout the world, is a very rare surname. The last name Sontagh is characteristic of Germany, where it is a very rare surname, the United States, where it is an extremely rare surname, and Canada. Much less frequently, Sontagh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sontagh | Canada, Germany, United States, South Africa |