The 2009–10 Ford Ranger One Day Cup was the 40th season of official List A domestic cricket in Australia.

The season began on 11 October 2009 when Western Australia played Queensland.

[2] The top two teams after all rounds are played compete in the Ford Ranger One Day Cup final.

The match is contested at the home ground of the side that finishes first.

There is a break in the regular schedule of List A games to allow for the 2009–10 KFC Twenty20 Big Bash competition.