Last name Катани (Katani 
, Catani 
, Katany 
) , in all the world, is a common surname. The surname Катани is characteristic of Italy, where it is quite a rare surname, Luxembourg, and Tanzania. Measured by absolute frequency, it is the most numerous in Italy, Tanzania, and Japan. Much less frequently, Катани is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Katani | Tanzania, Brazil, Morocco, India, Japan |
| Catani | Italy, Brazil, Argentina, India, France |
| Katany | Tanzania, South Africa, Mexico, Brazil, United States |
| Катани | Ukraine, Russia |