The 2019–20 season was the 134th in the history of Luton Town Football Club, a professional association football club based in Luton, Bedfordshire, England.

Their successive promotions from League Two in 2017–18 and League One in 2018–19 meant it was the club's first season in the Championship after a 12-year absence[5] and 94th season in the English Football League.

The season ran from 1 July 2019 to the end of the 2019–20 Championship season.