Korbin Sims (born 2 January 1992) is a Fijian Australian professional rugby league footballer for the Newcastle Knights of the National Rugby League. He primarily plays prop, second-row and lock.
Born in Gerringong, New South Wales, Sims played his junior football for the Gerringong Lions and West Bardon Panthers before being signed by the Brisbane Broncos, along with his brothers, Ashton and Tariq in 2008. Sims played for the Broncos' NYC team in 2010, playing alongside his brother Tariq, scoring 2 tries in 9 games.
In 2011, Sims joined the Newcastle Knights. He played for the Knights' NYC team in 2011 and 2012, scoring 14 tries in 40 games.
On 21 August 2012, Sims was named at prop in the 2012 Toyota Cup Team of the Year.
In Round 3 of the 2013 NRL season Sims made his NRL debut for the Knights against the North Queensland Cowboys, playing against his brother Ashton.
On 3 June 2013, Sims re-signed with the Knights on a 2-year contract after rejecting offers from the North Queensland Cowboys and Manly-Warringah Sea Eagles.
On 13 March 2015, Sims again re-signed with the Knights on a 2-year contract.
Sims has played for the Queensland U16's and U18's teams.
In 2012, Sims was named at prop in the inaugural Under 20's State of Origin match for Queensland. He later withdrew from the side due to a broken hand.
On 2 October 2012, Sims was named at second-row in the Junior Kangaroos team to face the Junior Kiwis.
In October 2013, Sims played for Fiji in the 2013 Rugby League World Cup.
In May 2014, Sims played for Fiji in the 2014 Pacific Rugby League International. Fiji lost the test match, but Korbin stole the limelight with a massive shot on Samoan opponent Isaac Liu.
Sims is the younger brother of fellow Newcastle Knights player Tariq Sims and Warrington Wolves player Ashton Sims. His elder sister Ruan Sims played for the Australian women's team in 2010.