Tatyana Polovinskaya (Ukrainian: Тетяна Половинська; born March 14, 1965, in Simferopol, Ukrainian SSR) is a retired long-distance runner from Ukraine, who represented the Soviet Union in the women's marathon at the 1988 Summer Olympics in Seoul, South Korea, finishing in fourth place.

Her mark (2:27:05) stand as a national record for nearly eighteen years.

It was broken on March 26, 2006, by Tetyana Hladyr in Rome, Italy: 2:25:44.

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