The Battle of Guadalete is fought in 711 or 712 at an unidentified location between the Christian Visigoths of Hispania under their king, Roderic, and an invading force of Muslim Berbers under the Berber commander Ṭāriq ibn Ziyad.

The battle is significant as the culmination of a series of Berber attacks and the beginning of the Islamic conquest of Hispania.

In the battle, Roderic probably loses his life, along with many members of the Visigothic nobility, opening the way for the capture of Visigothic capital of Toledo.The battle is sometimes referred to as the Battle of Jerez de la Frontera, Battle of La Janda, Battle of the Río Barbate, or Battle of the Transductine Promontories.