|Centuries:||7th century – 8th century – 9th century|
|Decades:||680s 690s 700s – 710s – 720s 730s 740s|
|Years:||714 715 716 – 717 – 718 719 720|
|717 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||1470|
|Bahá'í calendar||−1127 – −1126|
|English Regnal year||N/A|
|Chinese calendar||丙辰年 (Fire Dragon)
3413 or 3353
— to —
丁巳年 (Fire Snake)
3414 or 3354
|- Vikram Samvat||773–774|
|- Shaka Samvat||639–640|
|- Kali Yuga||3818–3819|
|Igbo calendar||−283 – −282|
|Japanese calendar||Reiki 3 / Yōrō 1
|Minguo calendar||1195 before ROC
|Thai solar calendar||1260|
|Wikimedia Commons has media related to 717.|
Year 717 (DCCXVII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 717 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.
- March 21 – Battle of Vincy: Charles Martel, with his Austrasian forces, defeats Chilperic II, King of Neustria, and his Mayor of the Palace, Ragenfrid, and proclaims Clotaire IV King of Austrasia.
- March 25 – Leo III the Isaurian usurps the throne of Byzantium.
- August 15 – Maslamah ibn Abd al-Malik begins the Second Arab siege of Constantinople, which will last for nearly a year.
- December 24 – An earthquake shakes many places in northern Syria, and destroys the Old Church of Edessa.
- Hoshi Ryokan, the world's second-longest surviving hotel, is established in Japan.