Olga Alexandrovna Girya (; born 4 June 1991) is a Russian chess player. She holds the title of Woman Grandmaster (WGM), which FIDE awarded her in 2009. She was a member of the gold medal-winning Russian team in the 2014 Women's Chess Olympiad and in the 2017 Women's World Team Chess Championship. Girya competed in the Women's World Chess Championship in 2012, 2015, 2017 and 2018. She won the Russian Women's Chess Championship in 2019.