Hollie Johnston Dykes (born 12 September 1990) is a retired Australian gymnast who was born in Gold Coast, Queensland, and began gymnastics at the age of four and a half. She started training at the Australian Institute of Sport (Canberra) in 1998 and was awarded a full scholarship there in 2000. Hollie made her major international debut at the 2006 Commonwealth Games in Melbourne. She won gold in the women's floor exercise and as part of the women's team final. She earned a silver in the women's beam and a bronze in the women's all-around, beating Imogen Cairns of England.