Lucas Mahias (born 14 April 1989) is a French motorcycle racer. In 2014 he won the French Supersport Championship, winning all the 12 races of the season, in 2016 he won the FIM Endurance World Championship riders' title aboard a Yamaha YZF-R1 and in 2017 he won the Supersport World Championship aboard a Yamaha YZF-R6.