Last name Торнов (Tornow 
, Торнов 
) , in the world, is quite a rare family name. The surname Торнов is characteristic of Germany, where it is quite a rare surname, Austria, where it is a rare surname, and Hong Kong. In absolute terms, it is commonest in Germany, the United States, and Spain.
| VARIANT | COUNTRY |
|---|---|
| Tornow | Germany, Austria, Spain, United States, France |
| Торнов | Russia, Ukraine |