Conneaut ( /kɒni.ɔːt/) is a city in Ashtabula County, Ohio, United States, along Lake Erie at the mouth of Conneaut Creek, which is the number one steelhead trout stream in the country. The population was 12,734 at the 2000 census.
The city of Conneaut is located on an old Native American trail, later used by early westbound pioneers. The word conneaut comes from the Seneca language, and has a disputed meaning.
A Mississauga village was located at or near Conneaut, c. 1747.