Radik is a given name. Notable people with the name include:
Radik Bikchentayev (born 1972), Kazakhstani speed skater Radik Isayev (born 1989), Russian-born naturalized Azerbaijani taekwondo practitioner Radik Khayrullov (born 1992), Russian football player Radik Kuliev (born 1992), Russian-Belarusian Greco-Roman wrestler Radik Tagirov (born 1982), (the Volga Maniac), Russian serial killer, murdered 31 elderly women in Tatarstan Radik Valiev (born 1997), Russian freestyle wrestler Radik Vodopyanov (born 1984), Kyrgystani footballer Radik Yamlikhanov (born 1968), Russian professional football coach and a former player Radik Yusupov (born 1993), Russian former football defender Radik Zakiev (born 1986), Russian former professional ice hockey forward Radik Zhaparov (born 1984), Kazakh ski jumper