| State: | TN |
| Type: | Sec |
| Route: | 336 |
| Map Custom: | yes |
| Map Notes: | TN 336 highlighted in red |
| Length Mi: | 19.6 |
| Established: | July 1, 1983[1] |
| Direction A: | South |
| Terminus A: | near Greenback |
| Junction: | in Lanier |
| Direction B: | North |
| Terminus B: | in Maryville |
| Counties: | Blount |
| Previous Type: | Sec |
| Previous Route: | 335 |
| Next Type: | Sec |
| Next Route: | 337 |
State Route 336 (SR 336) is a 19.6adj=midNaNadj=mid north–south state highway in central Blount County, Tennessee.
SR 336 begins at an intersection with US 411 (SR 33) just east of Greenback. It travels south through farmland as Brick Mill Road to the community of Lanier, where it has an intersection with US 129 (Calderwood Highway/SR 115). The highway turns northeast through hilly and wooded terrain as 6 Mile Road to the community of Six Mile, where it makes a sharp left at an intersection with Montvale Road and Old Piney Road. SR 336 goes north to pass through a ridge as Montvale Road before passing through farmland and suburbs to enter Maryville. It passes through neighborhoods before coming to an end at an intersection with US 321 (W Lamar Alexander Parkway/SR 73).[2] [3]