Around the globe, Cristian Sergio (Cristian Sergio 
) is a rare masculine first name. The given name Cristian Sergio is habitual in Chile, where it is quite a rare boy's name, Peru, where it is a very rare male name, and Spain. Much less frequently, Cristian Sergio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Cristian Sergio | Argentina, Peru, Ecuador, Spain, Chile |