|Centuries:||7th century – 8th century – 9th century|
|Decades:||720s 730s 740s – 750s – 760s 770s 780s|
|Years:||754 755 756 – 757 – 758 759 760|
|757 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||1510|
|Bahá'í calendar||−1087 – −1086|
|English Regnal year||N/A|
|Chinese calendar||丙申年 (Fire Monkey)
3453 or 3393
— to —
丁酉年 (Fire Rooster)
3454 or 3394
|- Vikram Samvat||813–814|
|- Shaka Samvat||679–680|
|- Kali Yuga||3858–3859|
|Igbo calendar||−243 – −242|
|Japanese calendar||Tenpyō-shōhō 9 / Tenpyō-hōji 1
|Minguo calendar||1155 before ROC
|Thai solar calendar||1300|
|Wikimedia Commons has media related to 757.|
Year 757 (DCCLVII) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. The denomination 757 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.
- January 29 – An Lushan, leader of a revolt against the Tang Dynasty and emperor of Yan, is murdered by his own son, An Qingxu.
- March 9 – A major earthquake strikes Palestine and Syria.
- December 8 – Du Fu returns to Chang'an as a member of Emperor Xuanzong's court, after having escaped the city during the An Lushan Rebellion.
- The Battle of Suiyang is fought.
- Offa becomes king of Mercia (to 796). He is noted for Offa's Dyke, built as a defence against Welsh marauders.
- Fruela I becomes king of Asturias.
- Tassilo III, duke of the Bavarians, recognizes the supremacy of Frankish king Pepin the Short.
- April 26 – Pope Stephen II
- Alphonso I, king of Asturias (b. 739)
- Æthelbald, king of Mercia
- Sigeberht of Wessex, king of Wessex
- Baldred of Tyninghame, hermit and saint
- Crimhthann mac Reachtghal, Abbot of Clonfert
- Suibhne of Clonfert, Abbot of Clonfert
- Cummascach mac Flainn, king of Uí Failge
- Geshu Han, general under the Tang Dynasty
- Zhang Xun, general under the Tang Dynasty
- An Lushan, noted Tang Dynasty military commander
- Li Lin, imperial prince of the Tang Dynasty
- Li Tan, imperial prince of the Tang Dynasty
- Ono no Azumabito, court official during Japan's Nara Period
- Habib ibn Abd al-Rahman al-Fihri, Arab noble, ruler of Ifriqiya
- Gilbert Meynier (2010) L'Algérie cœur du Maghreb classique. De l'ouverture islamo-arabe au repli (658-1518). Paris: La Découverte; pp.26.