Chloe Leigh Gilliland (nee Sims) (born 25 August 1990 in Toowoomba, Queensland, Australia) is an Australian gymnast. She finished first all-around at the 2005 Australian junior championships, and first all-around at the 2006 Commonwealth Games in Melbourne. She was a member of Australia's 11th-place team at the 2007 World Championships in Stuttgart, where the team qualified for the 2008 Olympic Games by virtue of its top-12 finish. Sims subsequently withdrew from the Australian national team and did not try out for a spot on Australia's Olympic team.