| State: | NM |
| Type: | SR |
| Route: | 551 |
| Map Custom: | yes |
| Map Notes: | NM 551 highlighted in red |
| Length Mi: | 6.44 |
| Length Ref: | [1] |
| Direction A: | South |
| Terminus A: | near Folsom |
| Direction B: | North |
| Terminus B: | at the Colorado/ New Mexico border |
| Counties: | Union |
| Previous Type: | US |
| Previous Route: | 550 |
| Next Type: | NM |
| Next Route: | 552 |
State Road 551 (NM 551) is a 6.44adj=midNaNadj=mid state highway in the US state of New Mexico. NM 551's southern terminus is at NM 456 northeast of Folsom, and the northern terminus is at Colorado State Highway 389 (SH 389) at the Colorado/ New Mexico border.