Lucie Margaret Colebeck (born 5 June 1996 in Ascot) is a British tumbling trampolinist, representing her nation at international competitions. She made her international debut for the British national team in 2009. At the 2013 Trampoline World Championships she won the silver medal in the individual tumbling event and the bronze medal in the tumbling team event. At the 2015 Trampoline World Championships she won the silver medal in both the individual and tumbling team event.