Cognomen Sittner-Bettinger (Sittner-Bettinger 
) , all over the world, is an extremely rare family name. The family name Sittner-Bettinger is characteristic of Western Europe, particularly Germany, where it is a very rare surname. Parts of the name also exists independently as a last name Sittner, and a last name Bettinger.
| VARIANT | COUNTRY |
|---|---|
| Sittner-Bettinger | Germany |