Nikolay Dmitriyevich Moiseyev (Russian: Никола́й Дми́триевич Моисе́ев; December 3(16), 1902 in Perm – December 6, 1955 in Moscow) was a Soviet astronomer and expert in celestial mechanics. In 1938, he became the chairman of the department of celestial mechanics at Moscow State University and worked on this position until his death. His main works were devoted to mathematical methods of celestial calculations and theory of comet formation.
He also taught higher mathematics in Zhukovsky Military Academy and was a colonel-engineer of Air forces. He was the director of State Astronomic Institute named by Sternberg (1939-1943) and organized the national system of radio-signals for the exact time.
- (in Russian) Biography of Nikolay Moiseyev