Surname Серхан (Serhan 
, Serxan 
, Sirhan 
) , across the world, is a common cognomen. The surname Серхан is habitual in Western Asia, particularly Lebanon, where it is quite a common surname, Kuwait, and United Arab Emirates, where it is quite a rare surname. In absolute terms, it is commonest in Lebanon, Morocco, and Saudi Arabia. Likewise, Серхан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Serhan | Saudi Arabia, Azerbaijan, Morocco, Lebanon, Turkey |
| Serxan | United Kingdom, United States, Azerbaijan, Russia, Turkey |
| Sirhan | Jordan, Saudi Arabia, United Arab Emirates, Lebanon, Turkey |
| Серхан | Bulgaria, Kazakhstan, Kyrgyzstan, Russia, Ukraine |