Cognomen Tisljar (Tisljar 
) , around the world, is a very rare last name. The cognomen Tisljar is characteristic of Switzerland, where it is a rare surname, Croatia, and Germany, where it is a very rare surname. Measured by absolute frequency, it is commonest in Switzerland, the United States, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Tisljar | Switzerland, United States, Croatia, Canada, Germany |