The 2019 WNBA season was the 22nd for the Washington Mystics of the Women's National Basketball Association.
The season ended with the Mystics winning their first WNBA Championship.
The Mystics began playing at the St. Elizabeths East Entertainment and Sports Arena in the 2019 season.
On August 31, with a victory over the Dallas Wings, the Mystics set a franchise record for wins at 23.
They entered the playoffs as the top-seeded team, and defeated the Las Vegas Aces in the semifinals and the Connecticut Sun in the WNBA Finals.