| State: | TN |
| Route: | 17 |
| Type: | Sec |
| Map Custom: | yes |
| Map Notes: | SR 17; secondary in red, unsigned in blue |
| Maint: | TDOT |
| Length Mi: | 12.6 |
| Established: | October 1, 1923[1] |
| Direction A: | South |
| Terminus A: | at Tennessee–Georgia state line |
| Junction: | in Chattanooga in Chattanooga |
| Direction B: | North |
| Terminus B: | in Chattanooga |
| Counties: | Hamilton |
| Previous Type: | SR |
| Previous Route: | 16 |
| Next Type: | SR |
| Next Route: | 18 |
State Route 17 (SR 17) is a secondary state highway entirely within the city of Chattanooga, in Hamilton County, Tennessee.
SR 17 begins at the northern terminus of Georgia State Route 193 (SR 193) at the Tennessee-Georgia State line in the city of Chattanooga's historic Saint Elmo neighborhood. It meets, and briefly merges with SR 58. It then continues north to US 11/US 41/US 64/US 72 where in begins a 1.5adj=midNaNadj=mid concurrency with US 11/US 64 and a 3.9adj=midNaNadj=mid concurrency with US 41.
Just past the US 11/US 41/US 64/US 72 junction, SR 17 intersects with Interstate 24 (I-24). It then continues northward to where US 11 and US 64 turn west onto East 20th Street and US 41/US 72/SR 17 continue north along Broad Street. At intersection US 72 continues northward while US 41/SR 17 and US 76 turn eastward onto West Main Street. Here SR 17 begins a concurrency with US 76.
The three routes continue eastward along West Main Street to South Willow Street where SR 17 turns north on the aforementioned street and US 41/US 76 continues eastward. It then proceeds northward through the neighborhoods of west-central and north-west Chattanooga before coming to an end at SR 58/SR 153/SR 317.