The Women's Senior One Day Trophy, previously known as the Senior Women's One Day League, is a women's List A cricket tournament held in India. It began in the 2006–07 season, with 24 teams representing state cricket associations, whilst the most recent season, 2021–22, had 37 teams competing. Railways have won the tournament 13 times, including the first and most recent season, whilst Delhi and Bengal have won the tournament once apiece.