In all the world, Sittner (Sittner 
) is a very rare unisex forename. The first name Sittner is habitual in Eastern Asia, particularly China, where it is an extremely rare masculine name. Predominantly, Sittner is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sittner | Germany, Switzerland, United States, Argentina, Romania |