Theodosia
- Annexation of Crimea by the Russian Federation
- De Situ Britanniae
- Dear Theodosia
- Dumbarton
- Feodosiya
- Feodosiya municipality
- Liuvigild
- My Theodosia
- The Royal Master
- Theodora (disambiguation)
- Theodosia (TV series)
- Theodosia (beetle)
- Theodosia (given name)
- Theodosia Bartow Prevost
- Theodosia Burr Alston
- Theodosia Inlet
- Theodosia River
- Theodosia and the Serpents of Chaos
- Theodosia of Constantinople
- Theodosia of Tyre
- Theodosia, Missouri
- Theodosia, wife of Leo V