Cognomen ثيرون (Theron 
, ثيرون) , in all the world, is a common family name. The last name ثيرون is habitual in Namibia, where it is quite a common surname, British Virgin Islands, and South Africa. Measured by absolute frequency, the name is most common in South Africa, France, and Namibia. Very seldom, ثيرون is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Theron | Namibia, France, United States, Malaysia, South Africa |