| Country: | JPN |
| Type: | National |
| Route: | 419 |
| Map Custom: | yes |
| Length Km: | 62.4 |
| Length Ref: | [1] |
| Established: | 1982 |
| Direction A: | North |
| Terminus A: | near Mizunami, Gifu |
| Direction B: | South |
| Terminus B: | in Takahama, Aichi |
| Previous Type: | Route |
| Previous Route: | 418 |
| Next Type: | Route |
| Next Route: | 420 |
National Route 419 is a national highway of Japan connecting Mizunami, Gifu and Takahama, Aichi in Japan, with a total length of 62.4 km (38.77 mi).