Cognomen Dirti (Dirti 
) , around the world, is a very rare surname. The family name Dirti is habitual in Italy, where it is a very rare surname, Russia, where it is an extremely rare surname, and India. More prevalently, Dirti is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dirti | Indonesia, Italy, Malaysia, India, Brazil |