Surname تواني (Tuwani 
, تواني 
) , in all the world, is a rare last name. The last name تواني is habitual in Iran, where it is a rare surname, South Africa, and Israel, where it is a very rare surname. Measured by absolute frequency, the name is most common in Iran, South Africa, and India. Likewise, تواني is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tuwani | Philippines, South Africa, India, United States, Tanzania |
| تواني | Iran |