Rhiannon Henry (born 20 May 1987) is a Welsh swimmer, paracyclist and paratriathlete who has competed in the Paralympic Games on three occasions winning two medals in swimming events. She also won World and European Championship medals as a swimmer. However, after coming away from the 2012 Summer Paralympics in London without a medal, she switched to paracyling and joined the British Cycling Paralympic Academy programme, competing as a visually-impaired rider as part of a tandem pairing. She made her debut alongside Fiona Duncan at the 2013 Tandem Tour of Belgium, finishing sixth and helping teammates Lora Turnham and Corinne Hall to victory.