| Country: | JPN |
| Type: | National |
| Route: | 168 |
| Map Custom: | yes |
| Length Km: | 194.8 |
| Length Ref: | [1] |
| Established: | 1953 |
| Direction A: | south |
| Terminus A: | Shingū, Wakayama Hashimoto Intersection (33.7192°N 135.987°W) |
| Junction: | |
| Direction B: | north |
| Terminus B: | Hirakata, Osaka Amanogawa Intersection (34.8083°N 135.6566°W) |
| Previous Type: | Route |
| Previous Route: | 167 |
| Next Type: | Route |
| Next Route: | 169 |
is a national highway of Japan connecting Shingū, Wakayama and Hirakata, Osaka in Japan, with a total length of 194.8 km (121.04 mi).