| Administrator(s) | England and Wales Cricket Board |
|---|---|
| Cricket format | 50 over |
| Tournament format(s) | League system |
| Champions | Lancashire (1st title) |
| Participants | 36 |
| Most runs | Suzie Bates (494) |
| Most wickets | Sophie Ecclestone (27) |
The 2017 Women's County One-Day Championship was the 21st cricket Women's County Championship season. It ran from April to August and saw 33 county teams and teams representing Scotland, Wales and the Netherlands compete in a series of divisions. Lancashire Women won the County Championship as winners of the top division with Yorkshire finishing runners-up. This was Lancashire's first Championship, and their victory saw them complete the double, after winning the Twenty20 Cup earlier in the season.[1]
The tournament ran alongside the 2017 Women's Twenty20 Cup, and followed by the 2017 Women's Cricket Super League, a professional tournament competed for by franchise teams.