Dawn Suzanne Gandy (born 28 July 1965) is an English former athlete who competed mainly in the 800 metres. She represented England at the 1994 Commonwealth Games and won four AAA Indoor Championships titles. She also finished second at the 1989 UK Championships and 1994 AAA Championships. Her 800m best of 2:01.87 was set in June 1988. Her twin sister, Simone Laidlow, is also a former international athlete.