Sergei Ivanovich Grigoryants (Russian: Серге́й Ива́нович Григорья́нц, Ukrainian: Сергі́й Іва́нович Григорья́нц, 12 May 1941 – 14 March 2023)[2] was a Soviet dissident and political prisoner, journalist, literary critic,[3] chairman of the Glasnost Defense Foundation.

After his release in 1982, he circulated in samizdat information on human rights violations in the Soviet Union as editor of the periodical Bulletin V.[8] For this activity, he was again arrested in 1984 and sentenced to ten years of strict regime labor camp.

[10] He immediately resumed his human rights activities and proceeded to publish Glasnost magazine, criticizing the communist system.

[13] Grigoryants was in opposition to Russian President Vladimir Putin's policies, in particular, he expressed protests against the infringement of democratic freedoms in Russia and criticized the government for the war[which?]

[6] In 2014, Grigoryants condemned Russian aggression against Ukraine and even filed a complaint to the International Court of Justice demanding President Putin's trial.