| Country: | JPN |
| Type: | National |
| Route: | 252 |
| Map Custom: | yes |
| Map Notes: | Japan National Route 252 highlighted in red |
| Length Km: | 204.6 |
| Length Ref: | [1] |
| Established: | 1 April 1963 |
| Previous Type: | Route |
| Previous Route: | 251 |
| Next Type: | Route |
| Next Route: | 253 |
National Route 252 is a national highway of Japan connecting Kashiwazaki, Niigata and Aizuwakamatsu, Fukushima in Japan, with a total length of 204.6 km (127.13 mi).
A section of National Route 252 in the town of Kaneyama in Fukushima Prefecture is a musical road.[2] Parts of the highway close in winter, making the Tadami line the only means of transport between several towns.