Leonid Ivanov may refer to:

Leonid Ivanov (basketball) (1944–2010), Soviet basketball player Leonid Ivanov (botanist), Russian botanist Leonid Ivanov (footballer) (1921–1990), Soviet international footballer Leonid Ivanov (pilot) (1909–1941), recipient of the Hero of the Soviet Union Leonid Ivanov (rower) (1938–2019), Soviet Olympic rower Leonid Ivanov (runner) (born 1937), Soviet Olympic runner Leonid Ivanov (test pilot) (1950–1980), Soviet cosmonaut Leonid Lavrovsky, born Ivanov (1905–1967), Russian ballet choreographer