Cognomen Titjung (Titjung 
) , all around the world, is a very rare last name. The cognomen Titjung is habitual in Austria, where it is a rare surname, Germany, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Austria, Germany, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Titjung | Thailand, Brazil, Austria, Germany |