Family name Irjan (Irjan 
) , across the world, is a rare surname. The surname Irjan is characteristic of Indonesia, where it is a very rare surname, Malaysia, and China, where it is an extremely rare surname. In absolute terms, it is commonest in Indonesia, China, and India. Also, Irjan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Irjan | China, Indonesia, Malaysia, India, Albania |