Enon is a village in Clark County, Ohio, United States. The population was 2,415 at the 2010 Census. Enon was platted in 1838 and has had its own Post Office since that time. It is located in Mad River Township.
The village is served by the Greenon Local School District, which operates three schools: Enon Primary School, Indian Valley Intermediate School, and Greenon Junior/Senior High School. Enon has a public library, a branch of the Clark County Public Library
The Enon Mound, Ohio's second largest conical Indian burial mound, is located in Enon. The mound is believed to have been built by the Adena Culture. Enon is the corporate headquarters of the Speedway LLC Gas Station chain.