Aleksei Yeliseyev, Russian engineer and astronaut
Aleksei Stanislavovich Yeliseyev (Russian: Алексей Станиславович Елисеев; born July 13, 1934) is a retired Soviet cosmonaut who flew on three missions in the Soyuz programme as a flight engineer: Soyuz 5, Soyuz 8, and Soyuz 10. He made the world's eighth spacewalk during Soyuz 5 in 1969.

Aleksei's father was Lithuanian with the last name Kuraitis, who died in the Soviet's Gulag as an enemy of the people. Aleksei uses his mother's last name "Yeliseyev" so some regard him as also being a Lithuanian cosmonaut.

A graduate of the Bauman Higher Technical School (1957) and postgraduate of Moscow Institute of Physics and Technology (1962). Yeliseyev worked as an engineer in Sergey Korolev's design bureau before being selected for cosmonaut training.Following his retirement from the space programme in 1985, he took up at an administrative position at the Bauman school for several years before retiring fully.