Aitor González Jiménez (born 27 February 1975 in Zumárraga, Gipuzkoa) is a former Spanish professional road bicycle racer.
He turned professional in 1998 with Avianca-Telecom; his last team was Euskaltel-Euskadi.
He won the 2002 Vuelta a España with Kelme after attacking his teammate leading the race.
Following his Vuelta victory, he transferred to Fassa Bortolo, after a long controversy surrounding a previous contract signed with Acqua e Sapone–Cantina Tollo.
He won the 2005 Tour de Suisse.
He also won three stages of the 2002 Vuelta a España, two of the 2002 Giro d'Italia, one of the 2003 Giro d'Italia and one of the 2004 Tour de France.
He retired in January 2006 after being tested positive for methyltestosterone metabolite twice during the 2005 season.
He was also linked with the Operación Puerto doping investigation.After retirement, González had several run-ins with the law.
In 2007, he was arrested for driving under the influence of alcohol and cocaine.
In 2008, a second arrest followed when he allegedly hired people to beat up a person who owed him money.
In 2011, González was again arrested for taking part in a bank fraud.
Lastly, in 2016, he was taken into custody a fourth time, for allegedly taking part in a robbery.