Theophylact

Theophylact or Theophylactus (Latin: Theophylactus; Greek: Θεοφύλακτος Theophylaktos, "guarded by God") may refer to:


 * Theophylact Simocatta (7th century), Byzantine author and historian
 * Theophylactus (Exarch) (died 710), Exarch of Ravenna
 * Patriarch Theophylactus of Alexandria (7th–8th centuries), coadjutor Greek Orthodox Patriarch of Alexandria
 * Theophylact of Antioch (8th century), Greek Orthodox Patriarch of Antioch
 * Archdeacon Theophylact (8th century), archdeacon of the Roman Church
 * Peter of Atroa or Theophylact (773–837)
 * Theophylact Rhangabe (8th century), Byzantine admiral
 * Theophylact (son of Michael I) (793–849), Byzantine co-emperor
 * Theophylact of Nicomedia (died 845), Bishop of Nicomedia
 * Theophylact I, Count of Tusculum (9th–10th centuries)
 * Theophylact of Constantinople (917–956), Patriarch of Constantinople
 * Theophylact Dalassenos (10th–11th centuries)
 * Theophylact Botaneiates (fl. died 1014)
 * Pope Benedict VIII or Theophylactus (died 1024)
 * Pope Benedict IX or Theophylactus (11th century)
 * Theophylact of Ohrid (died c. 1107), Archbishop of Ohrid and biblical commentator
 * Theophylaktos (died 1958), Metropolitan of Australia; see List of 20th-century religious leaders