Family name Ilhan (Ilhan 
, Илхан 
, Ильхан 
) , all over the world, is quite a rare surname. The last name Ilhan is habitual in North Macedonia, where it is quite a rare surname, Bulgaria, and Denmark. Not in comparison with a country's population, it most frequently occurs in Germany, France, and Indonesia. More prevalently, Ilhan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilhan | Somalia, Germany, France, South Korea, Indonesia |
| Илхан | Azerbaijan, Russia, Bulgaria, Kazakhstan, Uzbekistan |
| Ильхан | Russia, Uzbekistan, Azerbaijan, Kyrgyzstan |
|
adem ilhan British musician, GB (b. 1950) |
|
| ismail ilhan TR (b. 1929) |
|
|
| john ilhan Australian businessman (1965-2007), AU (b. 1965) |
|
|
| musa ilhan Australian wrestler, AU (b. 1969) |
|
|
| fatih ilhan researcher ORCID ID = 0000-0003-3037-2713 |
|
|
| elif ilhan researcher |
|
|
| aytac ilhan Ph.D. Princeton University 2004 |
|
|
| burak ilhan researcher |
|
|
| emre ilhan researcher (ORCID 0000-0002-8404-7900) |
|
|
| mert ilhan researcher |
|
|
| betul ilhan researcher |
|
|
| esmanur ilhan researcher (ORCID 0000-0001-5172-9529) |
|
|
| hamza o ilhan researcher |
|
|
| necip ilhan researcher |
|
|
| cagri ilhan researcher (ORCID 0000-0001-9122-2466) |
|