Niluka Karunaratne is a Sri Lankan Olympic athlete. A badminton player, he was selected to captain the Sri Lankan contingent to the 2012 Summer Olympics. Karunaratne received his primary and secondary education in Dharmasoka College, Ambalangoda and Royal College, Colombo, where he won the Royal Crown in 2001. As of July 2012, he is ranked 48th in men's singles from the Badminton World Federation. In 2012, the Sri Lankan Daily News called him "Sri Lanka’s undisputed badminton champion". On 30 July 2012 Karunaratne defeated world eighth-ranked Kenichi Tago of Japan 2-0. Karunaratne defeated Tago 21-18, 21-16 in 44 minutes at the Wembley Arena in the Olympic men's badminton singles Group C at the 2012 Summer Olympics.