Nikolay Grigoryevich Kostylev (, 4 March 1938 – 7 November 1993) was a Russian weightlifter who won one world and two European titles in 1955–1956. Between 1953 and 1959 he set eight ratified world records: seven in the snatch and one in the total.
References ТУРНИР ПО ТЯЖЕЛОЙ АТЛЕТИКЕ ПАМЯТИ Н.Г. КОСТЫЛЕВА . noc-vitebsk.by (7 April 2014) NIKOLAY KOSTYLEV. chidlovski.net