Last name Christas (Christas 
) , in all the world, is an extremely rare cognomen. The cognomen Christas is habitual in Israel, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much more prevalently, Christas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Christas | South Africa, United States, India, Israel, Democratic Republic of the Congo |