Mitch Lees (born 12 October 1988) is an Australian rugby union player. Lees joined English side London Welsh from Eastwood. Lees made his senior grade debut for Eastwood in 2010, having joined the club as a colt. He made his 100th appearance for Eastwood in May 2013. His performances for Eastwood saw him selected for the ACT Brumbies A team in 2013. Lees signed for Aviva Premiership side Exeter Chiefs on 10 April 2014. He was a replacement as Exeter Chiefs defeated Wasps to be crowned champions of the 2016-17 English Premiership.