大都督（希臘語：μέγας δούξ）是晚期拜占庭帝國最高等级的头衔之一。在外文文献中，有时也用该词的半拉丁化写法megaduke或者megadux^[1]。希腊词希臘語：μέγας（拉丁化：mega）意为“大”，而“都督”（希臘語：δούξ）之称呼源自罗马时代，原意为“领导人”或“将领”。

• 等级制度
• 贵族等级
• 拜占庭政府机构和贵族等级

• Angold, Michael (1997). The Byzantine Empire, 1025–1204. Longman. ISBN 0-582-29468-1.
• Bartusis, Mark C. The Late Byzantine Army: Arms and Society 1204-1453. University of Pennsylvania Press. 1997. ISBN 0812216202. 
• Haldon, John F. Warfare, state and society in the Byzantine world, 565-1204. Routledge. 1999. ISBN 1857284941. 
• Kazhdan, Alexander (编). Oxford Dictionary of Byzantium. Oxford University Press. 1991. ISBN 978-0-19-504652-6. 
• Magdalino, Paul. The Empire of Manuel I Komnenos, 1143–1180. Cambridge University Press. 2002. ISBN 0-521-52653-1. 
• The Immortal Emperor, by Donald Nicol.
• The Fall of Constantinople 1453, by Steven Runciman.
• Byzantium: Decline and Fall & A Short History of Byzantium, by John Julius Norwich.