The 2021 WNBA Finals, officially the WNBA Finals 2021 presented by YouTube TV for sponsorship reasons, was the best-of-five championship series for the 2021 season of the Women's National Basketball Association (WNBA). The finals featured the fifth-seeded Phoenix Mercury facing off against the sixth-seeded Chicago Sky, a rematch of the 2014 Finals. The Sky defeated the Mercury in 4 games, winning their first WNBA Championship, as well as Chicago's first professional basketball championship since 1998.