Kulasekara Mudiyanselage Dinesh Nuwan Kulasekara (; born 22 July 1982) is a former Sri Lankan cricketer who played for the Sri Lanka national cricket team in all three formats of the game. Widely regarded as one of the best swing bowlers in world cricket, Kulasekara was number one in the ODI bowlers rankings on 11 March 2009, and remained in that position until 26 September of that year becoming the only Sri Lankan to achieve the feat. He was educated at Bandaranayake College, Gampaha.