Nikolay Kostylev

{{Short description|Russian weightlifter (1938–1993)}}

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{{Infobox sportsperson

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|image=Nikolay Kostylev.jpg

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|birth_date=4 March 1938

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|death_date=7 November 1993 (aged 55)

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|sport=Weightlifting

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| show-medals = yes

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{{MedalCountry | {{URS}} }}

{{MedalCompetition|World Weightlifting Championships}}

{{MedalGold|1955 Munich|Lightweight}}

{{MedalCompetition|European Weightlifting Championships}}

{{MedalGold|1955 Munich|Lightweight}}

{{MedalGold|1956 Helsinki|Lightweight}}

}}

Nikolay Grigoryevich Kostylev ({{langx|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.