893 (DCCCXCIII) was a common year starting on Monday of the Julian calendar, the 893rd year of the Common Era (CE) and Anno Domini (AD) designations, the 893rd year of the 1st millennium, the 93rd year of the 9th century, and the 4th year of the 890s decade. As of the start of 893, the Gregorian calendar was 4 days ahead of the Julian calendar, which was the dominant calendar of the time.

• Simeon I succeeds Vladimir as king of Bulgaria.
• Galindo II Aznárez succeeds Aznar II Galíndez as Count of Aragon.
• Asser writes his Life of King Alfred.
• Battle of Benfleet: The Saxons defeat the Vikings.
• The Greek clergy is expelled from Bulgaria, and the Greek language is replaced with the Slav-Bulgarian vernacular (known as Old Church Slavonic).

• Louis the Child, last Carolingian ruler of the East Franks

• King Aznar II Galíndez of Aragon
• Stephen I, Patriarch of Constantinople