Year 512 (DXII) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar. In the Roman Empire, it was known as the Year of the Consulship of Paulus and Moschianus (or, less frequently, year 1265 Ab urbe condita). The denomination 512 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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The examples and perspective in this article deal primarily with Europe and do not represent a worldwide view of the subject. (January 2022)

• David, Welsh bishop and saint (approximate date)
• Eutychius, patriarch of Constantinople (approximate date)
• Maurus, Roman abbot and saint (d. 584)
• Wu Mingche, general of the Chen Dynasty (d. 578)
• Lady Xian, Chinese general (d. 602)^[2]

• Areobindus, Byzantine general and politician
• Wang Baoming, empress of Southern Qi (b. 455)