Lidia Kostiantynivna Semenova (; November 22, 1951 â July 4, 2025) was a Ukrainian chess player, who held the title of woman grandmaster.
In 1978, Semenova won Women's Soviet Chess Championship. In 1981, she tied for 1stâÂÂ4th in Leningrad (zonal). In 1982, she took 2nd in Bad Kissingen (interzonal; Nona Gaprindashvili won). In 1983, she beat Margareta Muresan 5ýâÂÂ4ý in Bad Kissingen (quarter-final match), and beat Nana Ioseliani 5ýâÂÂ4ý in Sochi (semi-final match). In 1984, Semenova lost in her bid for the Women's World Championship to Irina Levitina 5âÂÂ7 in Sochi (final match).
Semenova won three gold medals at the Women's Chess Olympiad in Thessaloniki 1984 (team, individual on board four and rating performance).
In 1986, she tied for 4thâÂÂ5th places in the Women's Candidates Tournament in Malmö, won by Elena Akhmilovskaya. In 1987, she tied for 3rdâÂÂ4th in Tuzla (interzonal; Nana Ioseliani won), and lost a play-off match to Agnieszka Brustman 1âÂÂ4. She tied for 12âÂÂ18th at Jakarta 1993 (interzonal; Ketevan Arakhamia won), and 10âÂÂ16th at Kishinev 1995 (interzonal; Arakhamia won).
Semenova was awarded the Woman Grandmaster title by FIDE in 1982.
Semenova died on July 4, 2025, at the age of 73.