Flatwoods is a town in Braxton County, West Virginia, United States, located approximately one mile from exit 67 of Interstate 79.

Although first incorporated in 1902, maps show the existence of Flatwoods as a town in 1873,[6] and a church was established by a pastor named John Clark at the community there as early as 1830.

[7] The West Virginia and Pittsburgh Railroad extended a branch through Flatwoods in the late 1800s.

[9] The town also served as the origin of West Virginia & Pittsburgh Railroad's Sutton Branch.

[8] The community became nationally known for the Flatwoods monster UFO incident which occurred on September 12, 1952.

[10] According to the United States Census Bureau, the town has a total area of 0.66 square miles (1.71 km2), all land.

Flatwoods appears in the video game Fallout 76, set in West Virginia.