| State: | NM |
| Type: | SR |
| Route: | 506 |
| Map Custom: | yes |
| Length Mi: | 31.9 |
| Length Ref: | [1] |
| Direction A: | West |
| Terminus A: | near Orogrande |
| Direction B: | East |
| Terminus B: | End of state maintenance at Fort Bliss Military Reservation |
| Counties: | Otero |
| Previous Type: | NM |
| Previous Route: | 505 |
| Next Type: | NM |
| Next Route: | 507 |
State Road 506 (NM 506) is a 31.9adj=midNaNadj=mid state highway in the US state of New Mexico. NM 506's western terminus is at U.S. Route 54 (US 54) north of Orogrande, and the eastern terminus is at the state line with Texas, by Dell City, Texas.[2]