The Battle of Tours, also called the Battle of Poitiers and, by Arab sources, the Battle of the Highway of the Martyrs (Arabic: معركة بلاط الشهداء, romanized: Maʿrakat Balāṭ ash-Shuhadā'), was fought on 10 October 732, and was an important battle during the Umayyad invasion of Gaul. It resulted in the victory for the Frankish and Aquitanian forces, led by Charles Martel, over the invading forces of the Umayyad Caliphate, led by Abdul Rahman Al-Ghafiqi, governor of al-Andalus.

Details of the battle, including the number of combatants and its exact location, are unclear from the surviving sources. Most sources agree that the Umayyads had a larger force and suffered heavier casualties. Notably, the Frankish troops apparently fought without heavy cavalry. The battlefield was located somewhere between the cities of Poitiers and Tours, in Aquitaine in western France, near the border of the Frankish realm and the then-independent Duchy of Aquitaine under Odo the Great.

Al-Ghafiqi was killed in combat, and the Umayyad army withdrew after the battle. The battle helped lay the foundations of the Carolingian Empire and Frankish domination of western Europe for the next century. Most historians agree that "the establishment of Frankish power in western Europe shaped that continent's destiny and the Battle of Tours confirmed that power."