Graysville is a village in Monroe County, Ohio, United States.

According to the United States Census Bureau, the village has a total area of 1.01 square miles (2.62 km2), all of it land.

26.5% of all households were made up of individuals, and 11.8% had someone living alone who was 65 years of age or older.

14.6% of all households were made up of individuals, and 7.3% had someone living alone who was 65 years of age or older.

There were 13.9% of families and 28.8% of the population living below the poverty line, including 38.0% of under eighteens and 10.5% of those over 64.