Grigori Israilevich Gorin was a Soviet and Russian playwright and writer of Jewish descent.

Grigori Mikhailovich Kozintsev was a Soviet theatre and film director, screenwriter and pedagogue. He was named People's Artist of the USSR in 1964. In 1965 he was a member of the jury at the 4th Moscow International Film Festival. Two years later he was a member of the jury of the 5th Moscow International Film Festival. In 1971 he was the President of the Jury at the 7th Moscow International Film Festival.

Grigori Alexandrovich Machtet (1852-1901) was a Russian-language writer, revolutionary, poet, and journalist. He is known as the author of the well-known revolutionary song "Tormented by Heavy Bondage".

Grigori Lvovich Roshal was a Soviet film director and screenwriter. People's Artist of the USSR (1967).

Grigorii Mikhailovich Fikhtengol'ts was a Soviet mathematician working on real analysis and functional analysis. Fikhtengol'ts was one of the founders of the Leningrad school of real analysis.

Grigorii Nikitich Gribonosov was a Soviet journalist and science fiction and adventure writer, who wrote under the name Grigorii Grebnev. He also wrote screenplays, including the adaptation of Alexander Kuprin's story for The White Poodle 1956 film.

Grigorii Petrovich Maksimov was a Russian anarcho-syndicalist. From the first days of the Russian Revolution, he played a leading role in the country's syndicalist movement – editing the newspaper Golos Truda and organising the formation of factory committees. Following the October Revolution, he came into conflict with the Bolsheviks, who he fiercely criticised for their authoritarian and centralist tendencies. For his anti-Bolshevik activities, he was eventually arrested and imprisoned, before finally being deported from the country. In exile, he continued to lead the anarcho-syndicalist movement, spearheading the establishment of the International Workers' Association (IWA), of which he was a member until his death.

Grigory Kanovich was a Lithuanian Jewish writer and the winner of the Lithuanian National Prize for Culture and Arts for 2014.

Grigorios Zalykis was a Greek scholar, writer and diplomat. He was the founder of the "Greek-speaking Hotel", a secret organization established in Paris in 1809 to assist Greeks against Ottoman rule.

Grigoriy Demidovtsev is the pen name of Grigoriy Anatolyevich Petrov, a Russian fiction writer and a playwright. Since 2001 he publishes Biznes Segodnya. In 2014 he was awarded the A. K. Tolstoy Literary Prize.