Adrian Radley (born 22 April 1976) is a retired Australian swimmer specialising in backstroke events. He is best known for winning a gold medal in the men's 100 m backstroke, and bronze in the men's 4 × 100 m medley relay, at the 1997 FINA Short Course World Championships in Gothenburg, Sweden. Radley also competed at the 1998 Commonwealth Games in Kuala Lumpur, where he won a gold medal as a part of the men's 4 × 100 m medley relay and an individual silver medal in the men's 200 m backstroke

Radley completed a double bachelor's degree in commerce with majors in Strategy, Marketing and Accounting and is a Partner at professional services firm KPMG. He lives with his partner and two daughters in Perth, Western Australia.