Olga Dmitrievna Potachova (Russian: Ольга Дмитриевна Поташова; born 26 June 1976) is a Russian volleyball player.

She was a member of the national team that won the silver medal in the Sydney 2000 Olympic Games.

She is 2.04 metres (6 ft 8.5 in) tall, making her one of the tallest female athletes in the world.

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