| State: | ND |
| Type: | ND |
| Route: | 256 |
| Length Mi: | 16.406 |
| Length Round: | 3 |
| Map Custom: | yes |
| Established: | c. 1970 |
| Direction A: | South |
| Terminus A: | east of Mohall |
| Direction B: | North |
| Terminus B: | at the Manitoba border |
| Counties: | Bottineau |
| Previous Type: | ND |
| Previous Route: | 210 |
| Next Type: | US |
| Next Route: | 281 |
North Dakota Highway 256 (ND 256) is a 16.406adj=midNaNadj=mid north-south state highway in the U.S. state of North Dakota. ND 256's southern terminus is at U.S. Route 83 (US 83) east of Mohall, and the northern terminus is a continuation as Manitoba Provincial Road 256 (PR 256) at the Lyleton Port of Entry at the Manitoba border.[1]