Surname תאודורוס (Theodoros 
, Theodorus 
, תאודורוס 
) , around the globe, is a widespread family name. The cognomen תאודורוס is habitual in Greece, where it is a prevalent surname, Reunion, where it is quite a common surname, and Indonesia, where it is quite a rare surname. In absolute terms, the name is most common in Greece, Indonesia, and Spain. Also, תאודורוס is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Theodoros | Germany, Cyprus, Indonesia, South Africa, Greece |
| Theodorus | Germany, Indonesia, South Africa, Greece, Netherlands |
| תאודורוס | Israel |
Fedir, Fedor, Feodor, Fiodor, Fiódor, Fjodor, Fyodor, Fëdor, Teodor, Teodoro, Teodors, Theo, Theodor, Theodore, Theodōros, Théodore, Théodoros, Tivadar, Θεόδωρος, Теодор, Теодоро, Теодорос, Теодору, Теодорус, Тивадар, Федор, Федя, Федір, Феодор, Фьодор, Фёдар, Фёдор, Хведір, פיודור, תיאודור, تيودور, ثيودور, فيودور, and 西奥多