Year 449 (CDXLIX) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Astyrius and Romanus (or, less frequently, year 1202 Ab urbe condita). The denomination 449 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

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• February 25 – Liu Ziye, emperor of the Liu Song dynasty (d. 466)
• Eugendus, abbot of Condat Abbey (approximate date)
• Kavadh I, king of the Persian Empire (d. 531)

• August 11 – Flavian, patriarch of Constantinople
• Eucherius, bishop of Lyon (approximate date)
• Hilary, bishop of Arles (b. 403)