Clayton Fredericks (born 17 November 1967 in Moora, Western Australia) is an Australian equestrian who won a silver medal at the 2008 Summer Olympics in Beijing as part of the three-day eventing team.

He regularly holds coaching clinics in the UK and Europe and acted as Hong Kong's Chef d'Equipe at the 2002 Asian Games in Busan, South Korea.

Fredericks' 2012 Olympic campaign hit a stumbling block when he was hospilitalised after a fall at the Saumar event in France.

He was part of the 2012 London Olympics equestrian team with his wife Lucinda, Andrew Hoy, Chris Burton and Sam Griffiths.

He was appointed to the position of Coach to the Canadian team in January 2013 and has now relocated to Ocala, Florida where he has started up Fredericks Equestrian International and is based out of Oak Lane Farm.