Cooksville Creek is a short stream in Mississauga, Regional Municipality of Peel in the Greater Toronto Area of Ontario, Canada. It begins near Bristol Road West and Hurontario Street and flows south to Lake Ontario at R.K McMilian Park near Lakeshore Road and Cawthra Road. The community of Cooksville is located on the west bank of the creek near Hurontario Street and Dundas Street East. The creek is surrounded mostly by residential homes and a few parks:
R.K. McMilian Park
Camilla Park
Cooksville Park
R. Jones Park
Mississauga Valley Park
Stonebrook Park
Woodington Green
Kingsbridge Common
The drainage basin runs for , is about wide, has a total area of , and takes excess water from sanitary and storm sewers. 94% of the drainage basin is built over, and only 6% is open space.