| Country: | JPN |
| Type: | National |
| Route: | 131 |
| Map Custom: | yes |
| Length Km: | 3.6 |
| Length Ref: | [1] |
| Established: | 1953 |
| Direction A: | East |
| Terminus A: | Haneda Airport |
| Direction B: | West |
| Terminus B: | in Ōta, Tokyo |
| Previous Type: | Route |
| Previous Route: | 130 |
| Next Type: | Route |
| Next Route: | 132 |
National Route 131 is a national highway of Japan connecting Haneda Airport and Ōmori-Higashi 2-chōme, Ōta, Tokyo[2] in Japan, with a total length of 3.6 km (2.24 mi).