Aleksandr Potashov (, Russian: Александр Поташёв; born 12 March 1962) is a retired race walker who represented the USSR and later Belarus. He won the gold medal over 50 kilometres at the 1991 World Championships. Potashov and his teammate Andrey Perlov attempted to cross the goal line simultaneously, resulting in a shared gold medal, but the officials declared Potashov the winner by 0.01 second.

Potashov finished fourth at the 1988 Summer Olympics in Seoul and was disqualified at the 1992 Olympics. His personal best time is 3:40:02, achieved in May 1990.

International competitions Representing the 1987World Race Walking CupNew York City, United States7th50 km3:46:281988Olympic Games Seoul, South Korea4th50 km3:41:00 1989World Race Walking Cup L'Hospitalet, Spain5th50 km3:48:021990European ChampionshipsSplit, Yugoslavia —50 kmDSQ1991World Championships Tokyo, Japan 1st50 km3:53:09Representing 1992Olympic GamesBarcelona, Spain—50 kmDSQRepresenting 1994European ChampionshipsHelsinki, Finland —50 kmDSQ

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