Cognomen Христо (Христо 
, Christo 
, Hristo 
) , throughout the world, is a common family name. The surname Христо is habitual in Bulgaria, where it is a common surname, North Macedonia, where it is quite a common surname, and Trinidad and Tobago, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Bulgaria, Brazil, and Indonesia. More prevalently, Христо is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Христо | Kazakhstan, Belarus, Bulgaria, Russia, Ukraine |
| Christo | Brazil, Bulgaria, Indonesia, South Africa, Namibia |
| Hristo | Brazil, Bulgaria, South Africa, United States, Indonesia |
| Khristo | Spain, India, Canada, United States, Egypt |