Last name Tanovich (Tanovich 
) , around the world, is a very rare surname. The cognomen Tanovich is habitual in Argentina, where it is a very rare surname, Canada, and the United States, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Argentina, the United States, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Tanovich | Brazil, United States, Canada, Argentina |