The 2020–21 Leicester City W.F.C. season was the club's 17th season and their third in the FA Women's Championship, the second level of the women's football pyramid. Outside of the league, the club also contested two domestic cup competitions: the FA Cup and the League Cup. On 4 April 2021, Leicester City clinched the league title with a 2–0 win over London City Lionesses, their twelfth consecutive league victory dating back to 4–1 defeat at the hands of the same opposition on 1 November 2020. The result earned Leicester their first ever promotion to the top-flight FA WSL.