| State: | TN |
| Type: | Sec |
| Route: | 191 |
| Maint: | TDOT |
| Map Custom: | yes |
| Map Notes: | SR 191 highlighted in red |
| Length Mi: | 24.02 |
| Established: | July 1, 1983[1] |
| Direction A: | South |
| Terminus A: | at Exit 133 |
| Junction: | at Camden at Camden at Camden |
| Direction B: | North |
| Terminus B: | Nathan Bedford Forrest State Park north of Eva |
| Counties: | Benton |
| Previous Type: | Sec |
| Previous Route: | 190 |
| Next Type: | Sec |
| Next Route: | 192 |
State Route 191 (abbreviated SR 191) is a 24.02miles north-south secondary state highway in Benton County, Tennessee.
SR 191 runs from I-40 (Exit 133) north to Nathan Bedford Forest State Park just north of Eva, Tennessee. This highway crosses US 70, US 70 Bus, and SR 69A. The section of road from I-40 to US 70 is also known as Birdsong Road. This highway passes through the small communities of Chalk Level, Eva, and the town of Camden.
Near the northern terminus this road features unstripped shoulders, narrow roadway width, hairpin curves, and degraded pavement. All sections of SR 191 are quite curvy, with speed limits at the southern sections dropping from 55mi/h to 45mi/h. North of Camden, the posted speed limit is 50mi/h and drops off from 40mi/h at Eva to as low as 20mi/h inside the state park. Total length of highway is 24.02miles.