The 2020–21 West Ham United F.C. Women season was the club's 30th season in existence and their third in the FA Women's Super League, the highest level of the football pyramid. Along with competing in the WSL, the club also contested two domestic cup competitions: the FA Cup and the League Cup. On 29 July 2020, the club announced they had signed a one-year deal with Dagenham & Redbridge F.C. to play at Victoria Road for the season having previously played at the Rush Green training ground stadium.