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. Simpson also competed in two Summer Olympics, earning her best finish of tenth in the K1 event in Barcelona in 1992.