Cognomen Theoneste (Theoneste 
) , across the world, is quite a rare family name. The family name Theoneste is habitual in Sub-Saharan Africa, particularly Rwanda, where it is quite a common surname. Likewise, Theoneste is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Theoneste | Kenya, United States, Rwanda, Democratic Republic of the Congo, Italy |