Constantine Palaiologos (half-brother of Michael VIII)

For other uses, see Constantine Palaiologos (disambiguation).
Miniature of the sebastokrator Constantine Palaiologos and his wife Irene, from the so-called Lincoln Typicon, c. 1350

Constantine Palaiologos or Palaeologus (Greek: Κωνσταντίνος Παλαιολόγος) (died 1271) was a Byzantine nobleman and the younger half-brother of the Byzantine Emperor Michael VIII Palaiologos.