The following are churches of Johnson County. This list may not be complete.
- Ackerson Creek Christian Church – in Mountain City
- Ackerson Creek Church Of Christ – in Mountain City
- Antioch Baptist Church – in Mountain City
- Atchison Church – in Laurel Bloomery
- Baker Gap Baptist Church – in Mountain City
- Berea Church – in Mountain City
- Bethany Baptist Church – in Mountain City
- Bethel Baptist Church – in Mountain City
- Bethel Church Grayson – (historical)
- Butler Baptist Church – in Watauga Dam/Mountain City
- Calvary Baptist Church – in Mountain City
- Center View Church – in Sherwood
- Central Church – in Shady Valley (historical)
- Clinton Presbyterian Church – in Mountain City
- Cobbs Creek Baptist Church – in Butler
- Community Church – in Mountain City (Non-Denominational)
- Corinth Baptist Church – in Laurel Bloomery
- Crandull Church of Christ – in Shady Valley
- Damascus – in Doe
- Dewey Christian Church – in Mountain City
- Doe Valley Church – in Doe
- Dowe Chapel – in Laurel Bloomery
- Dyson Grove Church – in Butler (I have also listed this as Doe.)
- Earls Chapel – in Mountain City
- Evergreen Church – in Mountain City/Trade?
- Faith Gospel Baptist Church – in Laurel Bloomery
- First Assembly of God – in Mountain City
- First Baptist Church – in Mountain City Oldest (congregation in Johnson County), Tennessee. Founded on April 20, 1794.
- First Christian Church – in Mountain City
- First Free Will Baptist Church – in Mountain City
- First Methodist Church – in Mountain City. Established about 1818.
- Fish Springs Baptist Church – Old Butler
- Gods Country Church – in Mountain City (Non-Denominational)
- Gospel Way Missionary Baptist Church – in Butler
- Hammons Chapel – in Baldwin Gap /Mountain City?
- Harmon Chapel Christian Church – in Shady Valley
- Heavenly Light Baptist Church – in Mountain City
- Johnson Chapel – in Mountain City
- Johnson County Fundamental Baptist – in Mountain City
- Laurel Springs Community Church – in Baldwin Gap/Mountain City? Non-Denominational.
- Liberty Church – in Mountain City
- Little Doe – in Doe/Butler?
- Locust Gap Freewill Baptist Church – in Mountain City
- Meadow View Church – in Butler
- Midway Missionary Baptist Church – in Elk Mills/Butler ?
- Mount Carmel Church – in Doe
- Mount Vernon Church – in Mountain City (historical)
- Mountain City Church Of Christ – in Mountain City
- Mountain City First Baptist Church – in Mountain City
- Mountain City Presbyterian Church – in Mountain City
- Mountain City United Methodist-Circuit – in Mountain City
- Mountain View Church – in Butler
- Nelsons Chapel Baptist Church – in Mountain City
- New Creations Church – in Mountain City (Non-Denominational)
- New Hope Baptist Church – in Mountain City
- Open Door Baptist Church – in Mountain City
- Pine Grove Church – in Mountain City
- Pleasant Grove Church – in Mountain City
- Pleasant Hill Church – in Baldwin Gap
- Pleasant Home Church – in Laurel Bloomery
- Pleasant View Church – in Mountain City
- Rainbow Baptist Church – in Mountian City
- Roan Creek Church – in Mountain City
- Rock Church – in Shady Valley
- Rock Springs Baptist – in Church Butler
- Saw Mill Creek Church of Christ – in Mountain City
- Seventh Day Adventist Church – in Mountain City
- Shady Valley Church of Christ – in Shady Valley
- Shady Valley Presbyterian Church – in Shady Valley
- Shouns United Methodist Church – in Mountain City
- Sink Valley Church – in Elk Mills/Butler?
- Snyder Chapel – in Baldwin Gap (historical)
- Son Shine Church of Christ – in Butler
- St. Anthony’s Catholic Church – in Mountain City
- St. John United Methodist Church – in Laurel Bloomery
- State Line Church – in Grayson/Laurel Bloomery?
- Sugar Grove Church – in Elk Mills/Butler?
- Sutherland Community Baptist Church – in Shady Valley
- Valley View Church – in Mountain City
- Vaughts Gap Baptist Church – in Mountain City
- Walnut Grove Baptist Church – in Mountain City
- Wesley Chapel – in Laurel Bloomery
- Woods Hill Church – in Mountain City