Adnan bin Saidi (Jawi: عدنان بن سيدي; 14 August 1915 – 14 February 1942) was a Malayan military officer of the 1st Infantry Brigade under the Malaya Command in British-ruled Malaya. In 1942, Adnan, then a lieutenant, led his platoon to put up fierce resistance against the Japanese during the Battle of Pasir Panjang in Singapore, and was ultimately killed in action. He is celebrated as a national hero in present-day Malaysia and Singapore.