| Country: | JPN |
| Type: | National |
| Route: | 185 |
| Map Custom: | yes |
| Length Km: | 68.4 |
| Length Ref: | [1] |
| Established: | 18 May 1953 |
| Direction A: | West |
| Terminus A: | and in Kure |
| Direction B: | East |
| Terminus B: | in Mihara |
| Previous Type: | Route |
| Previous Route: | 184 |
| Next Type: | Route |
| Next Route: | 186 |
National Route 185 is a national highway of Japan connecting Kure, Hiroshima and Mihara, Hiroshima in Japan, with a total length of 68.4 km (42.5 mi).