The Battle of Sittimungulum (variant spellings include Sattiamungulum, Sathinungulum) was a series of battles and skirmishes fought between 13 and 15 September 1790, during the Third Anglo-Mysore War, in and near the town now known as Sathyamangalam in the southern part of the Sultanate of Mysore. Forces of Mysore's ruler Tipu Sultan very nearly overwhelmed a British East India Company force under the command of Captain John Floyd.