Lynn Simpson (Lynn Reys) (born 16 February 1971 in Scarborough, North Yorkshire) is a British slalom canoeist who competed from the late 1980s to the late 1990s. She won four medals at the ICF Canoe Slalom World Championships with a gold (K1: 1995), a silver (K1 team: 1995), and two bronzes (K1 team: 1993, 1997). She also won the World Cup series in three consecutive seasons between 1994 and 1996.