| Country: | JPN |
| Type: | National |
| Route: | 263 |
| Map Custom: | yes |
| Length Km: | 48.0 |
| Length Ref: | [1] |
| Previous Type: | Route |
| Previous Route: | 262 |
| Next Type: | Route |
| Next Route: | 264 |
National Route 263 is a national highway of Japan connecting Sawara-ku, Fukuoka and Saga, Saga in Japan, with a total length of 48 km (29.83 mi).
The Mitsuse pass is mentioned in the Zombie Land Saga song "Saga Jihen".[2]