The 2008–09 FA Women's Premier League Cup was the 18th staging of the FA Women's Premier League Cup, a knockout competition for England's top 36 women's football clubs.
The tournament was won by Arsenal, who beat Doncaster Rovers Belles 5–0 in the final; this was Arsenal's tenth title.
All played 14 September, except Tranmere Rovers vs. Doncaster Rovers Belles on 21 September.
All played 5 October, except the games at Nottingham Forest, Fulham and Millwall: all played on 12 October.
All played 2 November, except Leicester City vs. Arsenal on 9 November.