The 2025 Women's One-Day Cup (also known as the 2025 Metro Bank Women's One-Day Cup for sponsorship reasons) was the inaugural season of the Women's One-Day Cup, a professional List A cricket tournament that is played in England and Wales by county clubs. The tournament started on 19 April and concluded with the final on 21 September 2025.
In the League 2 final, Yorkshire defeated Glamorgan by 9 wickets to win the inaugural title. In the League 1 final, Lancashire defeated Hampshire by 6 wickets to win the inaugural title.
The tournament was split into two categories: one contested by the eight counties in League One and the second featuring the 10 remaining teams split into two groups in League Two.
Eight teams from League 1 competed in the inaugural season: Durham, Essex, Hampshire, Lancashire, Somerset, Surrey, The Blaze (Nottinghamshire) and Warwickshire. Yorkshire and Glamorgan will be awarded tier-one status and will join the league in the 2026 and 2027 seasons, respectively, while a further two clubs will be awarded tier-one status in 2029.
The remaining ten teams competed in League 2, in which each county played eight group-stage matches (home-and-away) against the other four counties in their group. The top two teams from each group progressed to the knockout stage. The teams were divided into the following groups: