| State: | NM |
| Type: | SR |
| Route: | 508 |
| Map Custom: | yes |
| Length Mi: | 17.227 |
| Length Ref: | [1] |
| Direction A: | West |
| Terminus A: | near Tatum |
| Direction B: | East |
| Terminus B: | near Tatum |
| Counties: | Lea |
| Previous Type: | NM |
| Previous Route: | 507 |
| Next Type: | NM |
| Next Route: | 509 |
State Road 508 (NM 508) is a 17.227adj=midNaNadj=mid state highway in the US state of New Mexico. NM 508's western terminus is at NM 206 north of Tatum, and the eastern terminus is at NM 125 northeast of Tatum.