Vladimir Vasiliyevich Kovalyonok (Belarusian: Уладзі́мір Васі́льевіч Кавалёнак; Russian: Влади́мир Васи́льевич Ковалёнок; born 3 March 1942) is a retired Soviet cosmonaut.
He entered the Soviet space programme on July 5, 1967, and was commander of three missions. Together with Aleksandr Ivanchenkov he flew the long-endurance mission EO-2 which set a new record of 139 days in space. He retired from the cosmonaut team on June 23, 1984.
From 1990 to 1992 he was a Director of the 30th Central Scientific Research Institute, Ministry of Defence (Russia).
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