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 | Bulgaria, Kazakhstan, Ukraine, Belarus, Russia |
| Christo | Namibia, Bulgaria, Indonesia, Brazil, South Africa |
| Hristo | Bulgaria, Indonesia, Brazil, United States, South Africa |
| Khristo | Egypt, Spain, India, Canada, United States |