Aketza Peña Iza (born 4 March 1981) is a Spanish former professional road bicycle racer, who rode professionally between 2004 and 2009, mainly for UCI ProTeam Euskaltel–Euskadi with a year at UCI Continental team Caja Rural. He rode in three Grand tours in his career, two Vuelta a España and one Giro d'Italia. Between May 2007 and August 2008 he was suspended for an alleged positive for Nandrolone.