| Country: | JPN |
| Type: | National |
| Route: | 218 |
| Map Custom: | yes |
| Length Km: | 145.9 |
| Length Ref: | [1] |
| Established: | 18 May 1953 |
| Direction A: | West |
| Terminus A: | in Chūō-ku, Kumamoto |
| Direction B: | East |
| Terminus B: | in Nobeoka |
| Previous Type: | Route |
| Previous Route: | 217 |
| Next Type: | Route |
| Next Route: | 219 |
National Route 218 is a national highway of Japan connecting Chūō-ku, Kumamoto and Nobeoka, with a total length of 145.9 km (90.66 mi).