| State: | NM |
| Type: | SR |
| Route: | 402 |
| Map Custom: | yes |
| Length Mi: | 62.852 |
| Length Ref: | [1] |
| Direction A: | South |
| Terminus A: | in Nara Visa |
| Junction: | near Sedan |
| Direction B: | North |
| Terminus B: | in Clayton |
| Counties: | Quay, Union |
| Previous Type: | NM |
| Previous Route: | 401 |
| Next Type: | NM |
| Next Route: | 403 |
State Road 402 (NM 402) is a 62.9adj=midNaNadj=mid state highway in the US state of New Mexico. NM 402's southern terminus is at U.S. Route 54 (US 54) in Nara Visa, and the northern terminus is at US 56 in Clayton.