Hannah Louise Miley MBE (born 8 August 1989) is a Scottish former competitive swimmer who specialised in the Individual Medley.

She has represented Great Britain at three Olympic Games, reaching the final of the 400 metres individual medley on each occasion, finishing sixth in 2008, fifth in 2012 and fourth in 2016.

She became the first British swimmer to win three individual medals at a European Short Course Championships since Sue Rolph in 1999.

[17] Miley made her Arena Pro Swim Series debut in February 2015, winning gold in the 200 m freestyle and 400 m individual medley,[18] and six medals in total.

[26] Miley was appointed Member of the Order of the British Empire (MBE) in the 2022 Birthday Honours for services to swimming and women in sport.