Cognomen Kristia (Kristia 
, Кристя 
, Кристиа ) , worldwide, is quite a rare last name. The surname Kristia is habitual in Indonesia, where it is a rare surname, Ukraine, and Russia. Also, Kristia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kristia | Cyprus, United States, Indonesia, Philippines, Democratic Republic of the Congo |
| Кристя | Ukraine, Kazakhstan, Russia, Belarus, Kyrgyzstan |
| Кристиа | Russia, Kazakhstan |