| Administrator(s) | England and Wales Cricket Board |
|---|---|
| Cricket format | 50 over |
| Tournament format(s) | League system |
| Champions | Yorkshire (6th title) |
| Participants | 38 |
| Most runs | Charlotte Taylor (422) |
| Most wickets | Sarah Clarke (23) |
The 2015 Women's County One-Day Championship was the 19th cricket Women's County Championship season. It ran from May to September and saw 34 county teams and teams representing Ireland, Scotland, Wales and the Netherlands compete in a series of divisions. Yorkshire Women won the County Championship as winners of the top division, with Kent finishing runners-up. The Championship was Yorkshire's sixth title since the institution of the full County Championship, and their first since 2002.