Surname Орест-Теодосій (Орест-Теодосій 
) , in all the world, is an extremely rare family name. Much more frequently, Орест-Теодосій is the forename as well as the last name. Parts of the name also exists independently as a first name Орест, and a first name Теодосій.
| VARIANT | COUNTRY |
|---|---|
| Орест-Теодосій | Ukraine |