R
- Raban, Battle of
- Raiktor
- Raoul (Byzantine family)
- Rashidun Caliphate
- Raška (state)
- Ravenna
- Ravenna (729), Battle of
- Ravenna, Exarchate of
- Raymond IV, Count of Toulouse
- Raymond of Poitiers
- Raynald of Châtillon
- Red Church (Bulgaria)
- Renaissance
- Renaissance, Greek scholars in the
- Renier of Montferrat
- Rhetorius
- Rishki Pass, Battle of the
- Rhodes
- Rhodes, Genoese occupation of
- Rhodian Sea Law
- Rhodope (Roman province)
- Rhodope Mountains
- Rhyndacus (1211), Battle of the
- Richard I of England
- Ricimer
- Ripa Gothica
- Rita of Armenia
- Robert Browning (Byzantinist)
- Robert Crispin
- Robert Graves
- Robert Guiscard
- Robert of Ketton
- Robert of Courtenay
- Robert, Prince of Taranto
- Roger I of Sicily
- Roger II of Sicily
- Roger de Flor
- Roman Empire
- Roman of Bulgaria
- Romana (Jordanes)
- Romanus (exarch)
- Romanos I Lekapenos
- Romanos II
- Romanos III Argyros
- Romanos IV Diogenes
- Romanos the Melodist
- Romanus (exarch)
- Rome
- Rome, Duchy of
- Rome (537–538), Siege of
- Rome (546), Sack of
- Rome (549–550), Siege of
- Romilly James Heald Jenkins
- Romulus Augustulus
- Rossano Gospels
- Roussel de Bailleul
- Ruben I, Prince of Armenia
- Ruben II, Prince of Armenia
- Ruben III, Prince of Armenia
- Rufinus (consul)
- Rufinus (poet)
- Rufinus (praetorian prefect)
- Rum
- Rûm, Sultanate of
- Rumelia
- Rus' people
- Rus'–Byzantine War (941)
- Rus'–Byzantine War (1024)
- Rus'–Byzantine War (1043)
- Rus' Khaganate
- Rus' Khaganate, Christianization of the
- Rusokastro, Battle of
- Rusudan of Georgia, Empress of Trebizond
Read more about this topic: Index Of Byzantine Empire-related Articles