Tatyana Polovinskaya (; 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.