The Battle of Sidi Brahim was a battle at Sidi Brahim in French Algeria between Berber troops under Abdelkader El Djezairi and French troops under Lieutenant-Colonel Lucien de Montagnac from 22 to 25 September 1845. The French force was made up of the light infantry troops of the 8th Infantry Battalion and the second squadron of the 2nd Regiment of Hussars.