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 | Morocco, Azerbaijan, Lebanon, Saudi Arabia, Turkey |
| Serxan | Russia, United Kingdom, United States, Azerbaijan, Turkey |
| Sirhan | United Arab Emirates, Jordan, Lebanon, Saudi Arabia, Turkey |
| Серхан | Ukraine, Kazakhstan, Bulgaria, Russia, Kyrgyzstan |