Surname סרגיוס (Sergius 
, Serxio 
, סרגיוס 
) , in all the world, is quite a rare cognomen. The family name סרגיוס is habitual in Nigeria, where it is a rare surname, Uganda, and Malaysia. Measured by absolute frequency, the name is most common in Nigeria, Indonesia, and Uganda. Likewise, סרגיוס is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sergius | Germany, Indonesia, Nigeria, Uganda, Democratic Republic of the Congo |
| Serxio | Spain, United States |
| סרגיוס | Israel |
Serge, Sergei, Sergej, Sergejs, Sergejus, Sergey, Serghei, Sergi, Sergije, Sergio, Sergios, Sergiu, Sergiusz, Serguei, Sergueï, Serguéi, Serhij, Siarhei, Siarhej, Siarhiej, Siergiej, Srđan, Syarhey, Szergej, Sérgio, Σέργιος, Сергей, Сергий, Сергиос, Сергиус, Сергиуш, Сергій, Серджо, Серджу, Серж, Сержи, Сержио, Сержиу, Серхи, Серхио, Серый, Серёга, Срджан, Сяргей, סרג'י, סרגיי, سرجيوس, سيرج, سيرجي, سيرجيو, سيرغي, スルタン, セルゲイ, セルジョ, セルヒオ, and 塞登