Radik Isayev (born September 26, 1989 in Ukhul, Akhtynsky District, Dagestan) is a Russian-born naturalized Azerbaijani taekwondo practitioner of Lezgin origin. He won the gold medal at the 2014 European Championships Men's 87 kg, also he won bronze in 2013 World Championships. Radik also won a gold medal at the 2016 Summer Olympics held in Rio.