Theodora Palaiologina, Empress of Bulgaria

Theodora Palaiologina
Empress consort of Bulgaria
Tenure1308–1321
1324–1330
BornUnknown
Byzantine Empire
SpouseTheodore Svetoslav
Michael Shishman
HousePalaiologos
FatherMichael IX Palaiologos
MotherRita of Armenia

Theodora Palaiologina (Bulgarian: Теодора Палеологина, Greek: Θεοδώρα Παλαιολογίνα, fl. 1308–1330) was a Byzantine princess who became a Bulgarian empress as wife of the emperors Theodore Svetoslav from 1308 to his death in 1321, and Michael Shishman from 1324 to his fall in the Battle of Velbazhd on 28 July 1330.

She was a daughter of the Byzantine emperor Michael IX Palaiologos (r. 1295–1320), son and co-ruler of Andronikos II Palaiologos (r. 1282–1328), and Rita of Armenia who was a daughter of the ruler of the Armenian Kingdom of Cilicia. She was a sister of Byzantine emperor Andronikos III Palaiologos (r. 1328–1341).