| State: | MO |
| Route: | 124 |
| Type: | Route |
| Map Custom: | yes |
| Map Notes: | MO 124 highlighted in red |
| Length Mi: | 35.072 |
| Direction A: | South |
| Terminus A: | east of Fayette |
| Junction: | south of Sturgeon |
| Direction B: | North |
| Terminus B: | in Centralia |
| Previous Type: | MO |
| Previous Route: | 123 |
| Next Type: | MO |
| Next Route: | 125 |
Route 124 is a highway in central Missouri. Its eastern terminus is at Route 22/151 in Centralia; its western terminus is at Route 240 east of Fayette.
Route 124 begins outside the small town of Fayette. About a half mile east of the town, and just passed Boone Femme Creek, Route 124 splits off of Route 240. After winding through a half mile of farmland, it intersects with the combined Routes H and HH. After two miles of farmland, Route 124 joins with Route A for one mile, before Route A splits off to the north.