Denson is an unincorporated community in Fulton County, in the U.S. state of Ohio.
A post office called Denson was established in 1897, and remained in operation until 1909. In 1920, Denson was one of three communities listed in Chesterfield Township.
Coordinates: 41°42′19″N 84°8′52″W / 41.70528°N 84.14778°W