| State: | SD |
| Type: | SD |
| Route: | 224 |
| Section: | 209 |
| Map Custom: | yes |
| Map Notes: | SD 224 highlighted in red |
| Length Mi: | 7.962 |
| Length Ref: | [1] |
| Direction A: | West |
| Terminus A: | Willow Avenue in Alpena |
| Direction B: | East |
| Terminus B: | near Huron |
| Counties: | Jerauld, Sanborn |
| Previous Type: | SD |
| Previous Route: | 204 |
| Next Type: | I |
| Next Route: | 229 |
South Dakota State Highway 224 (SD 224) is a 7.962adj=midNaNadj=mid state highway located in south-central South Dakota. It connects the town of Alpena to SD 37.
SD 224 begins at Willow Avenue in the town of Alpena in Jerauld County. The highway travels due east on 221st Street, crossing over a railroad and leaving the town, into Sanborn County. From the county line, SD 224 continues to a junction with SD 37, where the highway ends.
SD 224 was designated in 1976 on a segment of former South Dakota Highway 32.