Cognomen Irfahn (Irfahn 
) , all over the world, is an extremely rare surname. The cognomen Irfahn is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Irfahn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Irfahn | South Africa, India, United States, Pakistan |