| Administrator(s) | England and Wales Cricket Board |
|---|---|
| Cricket format | Limited overs cricket (40 overs) |
| Tournament format(s) | League system |
| Champions | Sussex Sharks (2nd title) |
| Participants | 18 |
The 2009 NatWest Pro40 was a league system 40 over competition. Sussex Sharks won Division One, while Warwickshire Bears finished top of Division Two.
The competition was the last to be held.