Giuseppe Ayala (born May 18, 1945 in Caltanissetta) is an Italian politician and magistrate. He was known as an "anti-mafia" magistrate, and served as "anti-Mafia" judge. He raised doubts about whether it was only the Mafia that was involved in the killing of Giovanni Falcone. In 1993 he published a book entitled La guerra dei giusti: I giudici, la mafia, la politica (The war of the righteous: The judges, the mafia, politics), detailing his experiences in politics and his encounters with the mafia.