| State: | NM |
| Type: | SR |
| Route: | 511 |
| Map Custom: | yes |
| Length Mi: | 32.346 |
| Length Ref: | [1] |
| Direction A: | South |
| Terminus A: | southwest of Turley |
| Direction B: | North |
| Terminus B: | at the New Mexico/ Colorado state line |
| Counties: | San Juan |
| Previous Type: | NM |
| Previous Route: | 510 |
| Next Type: | NM |
| Next Route: | 512 |
State Road 511 (NM 511) is a 32.346adj=midNaNadj=mid state highway in the US state of New Mexico. NM 511's southern terminus is at U.S. Route 64 (US 64) southwest of Turley, and the northern terminus is at Colorado State Highway 172 (SH 172) at the New Mexico/ Colorado state line.