715 (DCCXV) was a common year starting on Tuesday of the Julian calendar, the 715th year of the Common Era (CE) and Anno Domini (AD) designations, the 715th year of the 1st millennium, the 15th year of the 8th century, and the 6th year of the 710s decade. As of the start of 715, the Gregorian calendar was 4 days ahead of the Julian calendar, which was the dominant calendar of the time.

• May 19 — Pope Gregory II becomes the 89th pope.

• April 9 — Pope Constantine
• July 18 — Muhammad bin Qasim al-Thaqafi