Around the world, Теодосій (Теодосій 
, Teodosij 
) is a very rare masculine first name. The first name Теодосій is habitual in Eastern Europe, particularly Ukraine, where it is a very rare male name.
| VARIANT | COUNTRY |
|---|---|
| Теодосій | Ukraine |
| Teodosij | United States |
| теодосій теофіль коструба UA (b. 1907) |
|