Nikolai Krylenko, Russian lawyer, jurist, and politician, Prosecutor General of the Russian SFSR (b. 1885)

Nikolai Vasilyevich Krylenko (Russian: Никола́й Васи́льевич Крыле́нко, IPA: [krɨˈlʲenkə]; May 2, 1885 – July 29, 1938) was an Old Bolshevik and Soviet politician. Krylenko served in a variety of posts in the Soviet legal system, rising to become People's Commissar for Justice and Prosecutor General of the Russian Soviet Federated Socialist Republic. He was executed during the Great Purge.

Krylenko was an exponent of socialist legality and the theory that political considerations, rather than criminal guilt or innocence, should guide the application of punishment. Although participating in the Show Trials and political repression of the late 1920s and early 1930s, Krylenko was later caught up as a victim and arrested during the Great Purge of the late 1930s. Following interrogation and torture by the NKVD, Krylenko confessed to extensive involvement in wrecking and anti-Soviet agitation. After a trial of 20 minutes, he was sentenced to death by the Military Collegium of the Soviet Supreme Court, and executed immediately afterwards.