Tigran Ter-Martirosyan (1906–1984) was a Soviet composer and music teacher. He was born in Alexandropol, in the Russian Empire, and died in Leningrad.
He graduated from the Leningrad Conservatory in 1932, where he studied with Vladimir Shcherbachyov and Christopher Kushnaryov. From 1932 to 1935, he taught at music schools, then taught at the Second Leningrad Music College from 1935 to 1939.
Ter-Martirosyan taught at the Leningrad Conservatory from 1937 to 1942 and held the title of associate professor. From 1942 to 1948, he taught at the Yerevan Conservatory, where he became head of the Department of Music History and Theory in 1946. He later returned to the Leningrad Conservatory and, in the second half of the 1950s, served as dean of its theory and composition and conducting faculty.
His works include pieces for symphony orchestra, two suites for string quartet, chamber music, and songs set to poems by Armenian poets. He also wrote the textbook Some Features of Prokofiev’s Harmony (1966).