| Country: | JPN |
| Type: | National |
| Route: | 224 |
| Map Custom: | yes |
| Image Notes: | Route 224 with Sakurajima |
| Length Km: | 14.2 |
| Length Ref: | [1] |
| Direction A: | West |
| Terminus A: | Kagoshima, Kagoshima |
| Direction B: | East |
| Terminus B: | near Tarumizu, Kagoshima |
| Previous Type: | Route |
| Previous Route: | 223 |
| Next Type: | Route |
| Next Route: | 225 |
National Route 224 is a national highway of Japan connecting Tarumizu, Kagoshima and Kagoshima, Kagoshima (via Sakurajima) in Japan, 14.2 km (8.82 mi) in length.