Fabio Aru (born 3 July 1990) is an Italian professional road bicycle racer, who currently rides for UCI WorldTeam Team Qhubeka Assos. He hails from San Gavino Monreale in Sardinia, and is known for his climbing ability, which made him a favorite for the Grand Tours. He is known as "The Knight of the four Moors", a reference to his native island of Sardinia.

Aru has won stages in all three Grand Tours, including 1 stage at the Tour de France, 3 stages at the Giro d'Italia and 2 stages at the Vuelta a España. He is also a former Italian National Road Race champion having won the race in 2017. Alongside his stage wins, Aru has also worn the race leader's jersey in all three Grand Tours. In 2014, Aru placed third overall in the Giro d'Italia and fifth in the Vuelta a España. The following year, he finished second in the Giro d'Italia before taking his first overall Grand Tour win at the Vuelta a España. His best finish at the Tour de France came in 2017 where he was 5th.