The 2019 USL Championship season was the ninth season of the USL Championship and third under Division II sanctioning. This was the first season in which the league operated under the name "USL Championship," having used the moniker "United Soccer League" through 2018. The season began on March 8, 2019, and concluded on October 20, 2019, with each team playing 34 matches. 36 teams competed in the 2019 USL Championship season, split into 2 conferences of 18 teams each. Louisville City FC were the two-time defending champions.