| Country: | JPN |
| Type: | National |
| Route: | 210 |
| Map Custom: | yes |
| Length Km: | 136.2 |
| Length Ref: | [1] |
| Established: | 18 May 1953 |
| Direction A: | West |
| Terminus A: | in Kurume |
| Direction B: | East |
| Terminus B: | in Ōita |
| Previous Type: | Route |
| Previous Route: | 209 |
| Next Type: | Route |
| Next Route: | 211 |
National Route 210 is a national highway of Japan connecting Kurume and Ōita in Japan, with a total length of 136.2 km (84.63 mi).