| State: | NM |
| Type: | SR |
| Route: | 256 |
| Map Custom: | yes |
| Map Notes: | NM 256 highlighted in red |
| Length Mi: | 8.320 |
| Length Ref: | [1] |
| Direction A: | Southern |
| Terminus A: | near Roswell |
| Direction B: | Northern |
| Terminus B: | in Roswell |
| Counties: | Chaves |
| Previous Type: | NM |
| Previous Route: | 255 |
| Next Type: | NM |
| Next Route: | 257 |
State Road 256 (NM 256) is a 8.32adj=midNaNadj=mid state highway in the US state of New Mexico. NM 256's southern terminus is at NM 2 south-southeast of Roswell, and the northern terminus is at U.S. Route 380 (US 380) in Roswell.