| Administrator(s) | England and Wales Cricket Board |
|---|---|
| Cricket format | 50 over |
| Tournament format(s) | League system |
| Champions | Hampshire |
| Participants | 36 |
| Most runs | Suzie Bates (358) |
| Most wickets | Kirstie Gordon (22) |
The 2018 Women's County One-Day Championship was the 22nd cricket Women's County Championship season. It ran from the beginning of May to the beginning of June and saw 33 county teams and teams representing Scotland, Wales and the Netherlands compete in a series of divisions. Hampshire Women won the County Championship as winners of the top division with Yorkshire finishing runners-up. The Championship was Hampshire's first and was achieved in their first season in the top division.[1][2]
The tournament was followed by the 2018 Women's Twenty20 Cup and then by the 2018 Women's Cricket Super League, a professional tournament competed for by franchise teams.