Last name Теодорос (Theodoros 
, Teodoros 
, Теодорос 
) , globally, is a widespread cognomen. The last name Теодорос is characteristic of Greece, where it is a prevalent surname, North Macedonia, where it is quite a rare surname, and Bulgaria. Not in comparison with a country's population, it most frequently occurs in Greece, Bulgaria, and Romania. Likewise, Теодорос is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Theodoros | Germany, Cyprus, Bulgaria, United States, Greece |
| Teodoros | North Macedonia, Bulgaria, United States, Greece, Brazil |
| Теодорос | Russia, Ukraine, Bulgaria |
Akis, Doros, Dóros, Fedor, Fiodor, Fiódor, Fjodor, Fyodor, Fëdor, Teuvo, Theodore, Theodoro, Theodorus, Thodoris, Thodoros, Théodore, Théodoros, Άκης, Δώρος, Θεόδωρος, Θοδωρής, Θόδωρος, Теодор, Федор, Федя, Федір, Феодор, Фьодор, Фёдар, Фёдор, Хведір, פיודור, תאודורוס, تيودور, ثيودور, فيودور, and 西奥多
Хрісту, Филипосянц, Василеиадис, and Добровольскис