Graysville is an unincorporated community in Turman Township, Sullivan County, in the U.S. state of Indiana.
The community is part of the Terre Haute Metropolitan Statistical Area.
Graysville was named after its founder, Joe Gray. The post office at Graysville has been in operation since 1849.
Graysville is located at .
The United States Census Bureau delineated Graysville as a census designated place in the 2022 American Community Survey.