Battle of Sunday

The Battle of Sunday may refer to:


 * the Battle of Sunday (Waith Dyw Sul, AD 870s) between Rhodri the Great and Saxons (probably from Mercia) on Anglesey
 * the Battle of Palm Sunday (1429) between Clan Cameron and the Chattan Confederation in the Scottish Highlands
 * the Easter Sunday Raid (1942) between the Imperial Japanese and British navies off Ceylon (modern Sri Lanka)