| Birth Date: | 4 March 1938 |
| Death Date: | 7 November 1993 (aged 55) |
| Sport: | Weightlifting |
| Show-Medals: | yes |
Nikolay Grigoryevich Kostylev (ru|Николай Григорьевич Костылев, 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.