Gillian Rolton (3 May 1956 – 18 November 2017) was an Australian Olympic equestrian champion. She competed in two Olympic Games, the 1992 Barcelona Games and 1996 Atlanta Games, winning a gold medal in team eventing both times on her horse, Peppermint Grove. She was only one of four Australians to win multiple equestrian Olympic gold medals. She was born in Adelaide, South Australia.
Rolton was awarded the Order of Australia Medal in the 1993 Australia Day honours "for service to sport as a gold medallist in the equestrian three-day event at the Olympic Games".
Rolton died of endometrial cancer in Adelaide on 18 November 2017 at the age of 61.