| County Mayor | Larry Potter | (423) 727-9696 mayor@johnsoncountytn.gov |
| Hwy Chief Admin Off | Jeff Wagner | (423) 727-7851 jchd01@gmail.com |
| General Sessions Court Judge | Julie Canter | (423) 727-9468 |
| Trustee | Lisa Crowder | (423) 727-9062 jocotrustee@gmail.com |
| Clerk & Master | Sherrie Fenner | (423) 727-7853 clerkandmaster@johnsoncountytn.gov |
| County Clerk | Tammie Fenner | (423) 727-9633 Tammie.Fenner@tn.gov |
| Circuit Court Clerk | Melissa Hollaway | (423) 727-9012 ccclerk@johnsoncountytn.gov |
| Assessor of Property | Matthew Lewis | (423) 727-7692 matthew.lewis@cot.tn.gov |
| Administrator of Elections | Cheri Lipford | (423) 727-8592 |
| General Sessions Court Judge | Jeffery Lowe | (423) 727-9468 |
| Register of Deeds | Freida May | (423) 727-7841 freida.may@johnsoncountytn.gov |
| Sheriff | Clifton Worley | (423) 727-7761 sheriffcw@johnsoncountysd.org |