Neva is a small unincorporated community in Johnson County, Tennessee, and it is located on Hwy 167 between Mountain City and Watauga Lake. The primary coordinates of the community place it within the 37683 zip code delivery area of Mountain City. The community is part of the voting district #3 area of the county. The residents of this community vote at the Roan Creek Elementary School. The current Commissioners representing this voting district are Robert G. “Jerry” Grindstaff, Freddy Phipps and Berna Arnold.

In or near the community are the Neva Volunteer Fire Department and the Johnson County Airport. There are also some other small businesses in the area. The history of Neva is rooted in farming with the area still active in the farming industry.