Ciarán Power (born 8 May 1976 in Waterford, Ireland) is a former professional racing cyclist. He is a member of the Irish Pezula Racing Team. Power turned professional in 2000 with Linda McCartney Racing Team and rode the 2000 Giro d'Italia, gaining 2 top ten stage finishes. He was the first Irish cyclist in a major tour since Stephen Roche in 1993. When Linda McCartney folded in 2001, Power joined the French St Quentin team before moving to the US the following season and joining Navigators.
After placing 3rd in the 1999 World 'B' road championship, Power came 74th in the 2000 Summer Olympics road race. In the 2004 Summer Olympics road race, he finished 13th, the highest placing by an Irish cyclist.
He retired from professional racing at the end of the 2008 season.