Ioseb Grishashvili was a pen name of Ioseb Mamulishvili was a noted poet and historian from Georgia. A history museum in Tbilisi, his birth- and death place is named for him. Composer Tamara Antonovna Shaverzashvili used his text for her song “Regret.”
Iosif Davidovich Amusin was a Soviet historian, orientalist, hebraist and papyrologyst, was specialist in the history of the Ancient Near East and Qumran studies.
Iosif Romualdovich Grigulevich was a Soviet secret police (NKVD) operative active between 1937 and 1953, when he played a role in assassination plots against Communist and Bolshevik individuals who were not loyal to Joseph Stalin. This included the murders of claimed and actual Trotskyists during the Spanish Civil War including Andreu Nin Pérez, and an initial, failed assassination attempt against Leon Trotsky in Mexico.
Iosif Igorevich Prigozhin is а Russian music producer of singers Valeria, Natalia Vetlitskaya, Vakhtang Kikabidze, Nikolai Noskov, Aleksandr Marshal, Avraam Russo, Kristina Orbakaitė, Didulya and many others. He is the creator of the record label NOX Music, the organizer of Russian musical festivals, concerts, and television programs.
Iosif Leonidovich Prut Russian: Прут, Иосиф Леонидович was a Russian playwright and the first Soviet screenwriter. Prut was awarded the title of Honoured Artist of the RSFSR (1983).
Iosif Samuilovich Shklovsky was a Soviet astronomer and astrophysicist. He is remembered for work in theoretical astrophysics and other topics, as well as for his 1962 book on extraterrestrial life, the revised and expanded version of which was co-authored by American astronomer Carl Sagan in 1966 as Intelligent Life in the Universe.
