Surname Serhij (Сергей 
, Сергій 
, Serhij 
) , all around the world, is a widespread family name. The last name Serhij is characteristic of Armenia, where it is a common surname, Kyrgyzstan, and Moldova (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Russia, Kyrgyzstan, and Belarus. Predominantly, Serhij is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Сергей | Azerbaijan, Kazakhstan, Russia, Belarus, Ukraine |
| Сергій | Russia, United States, Poland, Ukraine, Israel |
| Serhij | Germany, Czechia, United States, Poland, Ukraine |
Serge, Sergei, Sergej, Sergejs, Sergejus, Sergey, Serghei, Sergi, Sergij, Sergio, Sergios, Sergiu, Sergius, Sergiusz, Serguei, Sergueï, Serguéi, Serhi, Serhii, Serhiy, Serhiï, Serxio, Siarhei, Siarhej, Siarhiej, Siergiej, Srđan, Syarhey, Szergej, Sérgio, Σέργιος, Сергий, Сергиос, Сергиус, Сергиуш, Серджо, Серджу, Серж, Сержи, Сержио, Сержиу, Серхи, Серхий, Серхио, Серый, Серёга, Срджан, Сяргей, סרג'י, סרגיוס, סרגיי, سرجيوس, سيرج, سيرجى, سيرجي, سيرجيو, سيرغي, سيرى, スルタン, セルゲイ, セルジョ, セルヒオ, and 塞登
Sukhi, Moskalenko, Turovskyj, Pilipowskyj, Pastukhiv, Hoshowsky, Nahornyj, Tarasjuk, Lazurenko, Pylypenko, Kolosenko, Borysiuk, Barsukov, Welykoridko, Olijnyk, Nedbalo, Didenko, Dejanov, Szwez, Banha, Bukin, Kampo, Kabal, Orlyk, Bondarenko, Sevcuk, Danyš, Duford, Zabejda, Sazykin, Kotenko, Pastuch, Artuch, and Horčička