| State: | NM |
| Type: | SR |
| Route: | 73 |
| Map Custom: | yes |
| Length Mi: | 2.688 |
| Length Ref: | [1] |
| Direction A: | South |
| Terminus A: | Lower Llano Rd. / Piaza Rd. in Llano |
| Direction B: | North |
| Terminus B: | in Peñasco |
| Counties: | San Miguel |
| Previous Type: | NM |
| Previous Route: | 72 |
| Next Type: | NM |
| Next Route: | 74 |
State Road 73 (NM 73) is a state highway in the US state of New Mexico. Its total length is approximately 2.7miles. NM 73's northern terminus is at NM 75 in Peñasco, and the southern terminus is at an intersection with Lower Llano Rd. / Piaza Rd. in Llano.