In all the world, Серхио (Sergio 
, Sergiu 
, Serkhio 
, along with others...) is a prevalent boy's first name. The first name Серхио is characteristic of Argentina, where it is a widespread masculine name, Moldova, and Italy, where it is a common boy's name (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Latin America and the Caribbean, particularly Mexico, Brazil, and Argentina. Very seldom, Серхио is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sergio | Italy, Mexico, Spain, Brazil, Argentina |
| Sergiu | Italy, Brazil, Spain, United States, Argentina |
| Serkhio | Afghanistan, Russia |
| Serxio | United States, Spain |
| Serhio | United Kingdom, Brazil, Spain, United States, Philippines |
| Серхио | Russia |
Serchio, Serge, Sergei, Sergej, Sergejs, Sergejus, Sergey, Serghei, Sergi, Sergios, Sergius, Sergiusz, Serguei, Sergueï, Serguéi, Serhij, Siarhei, Siarhej, Siarhiej, Siergiej, Syarhey, Szergej, Sérgio, Σέργιος, Сергей, Сергий, Сергиос, Сергиус, Сергиуш, Сергій, Серджо, Серджу, Серж, Сержи, Сержио, Сержиу, Серхи, Серый, Серёга, Сяргей, סרג'י, סרגיוס, סרגיי, סרחיו, سرجيوس, سيرج, سيرجي, سيرجيو, سيرخيو, سيرغي,
Серхио is also a name for the fictitious and mythical characters: Professor , the fictional character from Money Heist; Sergio Brunetti , character in The Girl of His Dreams; Sergio Arias , character in La que se avecina and Sergio Musicardi , character in Waiting for the Hearse.