Hannah Louise Miley (born 8 August 1989) is a Scottish competitive swimmer who specialises in the Individual Medley. Miley trained when she was younger at Inverurie Swimming Centre. 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. Also in the 400 m individual medley, she is a former World short-course champion (2012), European champion (2010), and two-time European short-course champion (2009 and 2012) representing Great Britain, and a two-time Commonwealth champion (2010 and 2014) representing Scotland.