Theodor: Name day
Name Day List: Theodor
Name Day List - similar names (Theodor)
| Country | Day | Month | Names |
 Greece | 11 | February | Vlassis, Avgi, Theodora |
 Ukraine | 16 | February | Marianna, Theodore |
| Greece | 17 | February | Theodoros, Theodora |
 USA | 1 | July | Aaron, Aron, Arron, Derek, Derica, Derick, Derik, Derrick, Derris, Derry, Dirk, Inga, Ingrid, Theodoric |
| Ukraine | 8 | August | Amelia, Amilian, Emil, Emily, Fedir, Theodore, Leonid |
| Greece | 11 | September | Evathia, Eve, Theodora |
| Ukraine | 11 | September | Fialka, Theodora, Violet |
| USA | 27 | October | Cale, Caleb, Feodor, Isaac, Isaak, Issac, Izaac, Kaleb, Ted, Teddy, Teodor, Theodora, Theodore |
 France | 9 | November | Maturin, Théodore |
Austria 
Denmark 
Germany