Aleksandr Ivanovich Laveykin (Russian: Александр Иванович Лавейкин; born April 21, 1951[1]) is a retired Soviet cosmonaut.

[1] Launched in February 1987, his spaceflight was intended to last until December 1987, but doctors on the ground determined that he was having minor heart irregularities.

[3] For this reason, in July he was replaced by Soviet cosmonaut Aleksandr Pavlovich Aleksandrov, who stayed on Mir to the end of the expedition in December.

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