| State: | AL |
| Type: | AL |
| Route: | 198 |
| Map Custom: | yes |
| Maint: | ALDOT |
| Alternate Name: | Eufaula Avenue |
| Length Mi: | 1.686 |
| Length Round: | 3 |
| Length Ref: | [1] |
| Direction A: | West |
| Terminus A: | in Clayton |
| Direction B: | East |
| Terminus B: | in Clayton |
| Counties: | Barbour |
| Previous Type: | AL |
| Previous Route: | 197 |
| Next Type: | AL |
| Next Route: | 199 |
State Route 198 (SR 198) is a 1.686adj=midNaNadj=mid route that serves as a connection between SR 30 and SR 239 in Clayton.
The western terminus of SR 198 is located at its intersection with SR 239 (S/N Midway Street) in downtown Clayton. From this point, the route travels in an easterly direction before turning to the south en route to its eastern terminus at SR 30 (Southern Bypass). It is known as Eufaula Avenue for its entire length.