Alexius

Alexius may refer to:

In the 1911 Encyclopædia Britannica

• Alexius I. (1048–1118), emperor of Byzantine Empire
• Alexius II. Comnenus (1167–1183), emperor of Byzantine Empire
• Alexius III. Angelus (r. 1195–1203), emperor of Byzantine Empire
• Alexius IV. (r. 1203–1204), emperor of Byzantine Empire
• Alexius V. Ducas Murtzuphlos (r. 1204), emperor of Byzantine Empire
• Alexius Mikhailovich (1629–1676), tsar of Muscovy
• Alexius Petrovich (1690–1718), tsarevich of Russia

See also

• Alexander
• Alexis