| State: | FL |
| Type: | SR |
| Route: | 393 |
| Alternate Name: | Mary Esther Cut Off Northwest |
| Map Custom: | yes |
| Length Mi: | 1.833 |
| Length Ref: | [1] |
| Direction A: | West |
| Terminus A: | in Mary Esther |
| Direction B: | East |
| Terminus B: | near Wright |
| Counties: | Okaloosa |
| Previous Type: | SR |
| Previous Route: | 392A |
| Next Type: | SR |
| Next Route: | 397 |
State Road 393 (SR 393) is a 1.833adj=midNaNadj=mid state highway in Okaloosa County, Florida, that runs from U.S. Route 98 in Mary Esther to Florida State Road 189 in southern Wright.