Niluka Karunaratne (Sinhala: නිලූක කරුණාරත්න; Tamil: நிலுக கருணாரத்ன) (born 13 February 1985) is a Sri Lankan Olympic badminton player who compete in 2012 and 2016.
He was selected to captain the Sri Lankan contingent to the 2012 Summer Olympics.
Karunaratne competed in five consecutives Commonwealth Games from 2002–2018.

Karunaratne, born in the coastal area of Galle, received his primary and secondary education in Dharmasoka College, Ambalangoda and Royal College, Colombo, where he won the Royal Crown in 2001.
 He took up badminton at the age of 8, having been introduced to the sport by his father, who was a national level badminton player.
 He currently holds a position in the banking sector as a bank employee.

As of July 2012, he is ranked 48th in the men's singles from the BWF World Ranking.
In 2012, the Sri Lankan Daily News called him "Sri Lanka’s undisputed badminton champion".

At the 2014 Commonwealth Games, he was knocked out of the men's singles in the round of 16 by Srikanth Kidambi.
 He was also part of the Sri Lankan mixed badminton team, which was knocked out at the quarterfinal stage by England.
Niluka Karunaratne (Sinhala: නිලූක කරුණාරත්න; Tamil: நிலுக கருணாரத்ன) (born 13 February 1985) is a Sri Lankan Olympic badminton player who compete in 2012 and 2016. He was selected to captain the Sri Lankan contingent to the 2012 Summer Olympics. Karunaratne competed in five consecutives Commonwealth Games from 2002–2018.
Karunaratne, born in the coastal area of Galle, received his primary and secondary education in Dharmasoka College, Ambalangoda and Royal College, Colombo, where he won the Royal Crown in 2001.  He took up badminton at the age of 8, having been introduced to the sport by his father, who was a national level badminton player.  He currently holds a position in the banking sector as a bank employee.
As of July 2012, he is ranked 48th in the men's singles from the BWF World Ranking. In 2012, the Sri Lankan Daily News called him "Sri Lanka’s undisputed badminton champion".
At the 2014 Commonwealth Games, he was knocked out of the men's singles in the round of 16 by Srikanth Kidambi.  He was also part of the Sri Lankan mixed badminton team, which was knocked out at the quarterfinal stage by England.
Niluka Karunaratne