Isidor Arkin (1 June 1904 – 12 November 1967) was a Soviet musician, symphonic conductor, composer and music educator. He was born in Kremenchuk, Poltava Governorate, Russian Empire, to Aron and Maria Arkin. He received the title Honored Artist of the Tatar Autonomous Soviet Socialist Republic in 1945 and was also an Honored Art Worker of the North Ossetian Autonomous Soviet Socialist Republic.
Arkin graduated from the Kharkiv Music and Drama Institute in 1927. He studied conducting with Nikolai Malko and composition with Semen Bogatyrev. He directed the musical department of a Ukrainian theatre in Leningrad and helped organize the State Ukrainian Theatre “October.” From 1938 to 1939, he conducted the symphony orchestra of the Voronezh Philharmonic.
He worked with the Philharmonic Symphony Orchestra under Alexander Gauk and served as musical director and chief conductor of the Kazan Opera Theatre from 1944 to 1946. He later became chief conductor of the Tajik Music Theatre and of symphony orchestras in Voronezh and Ivanovo, and led the State Symphony Orchestra of the North Ossetian Autonomous Soviet Socialist Republic.
From the early 1950s, Arkin lived and worked in Moscow. He was a conductor at the Union of Cinematographers of the USSR, taught conducting at the music school affiliated with the Moscow Conservatory, and directed its symphony orchestra. He wrote articles on the training of orchestral musicians, as well as popular songs, children’s songs and music for theatrical productions. He was buried at Vagankovo Cemetery in Moscow.