| State: | NM |
| Type: | SR |
| Route: | 20 |
| Map Custom: | yes |
| Length Mi: | 45.906 |
| Length Ref: | [1] |
| Direction A: | South |
| Direction B: | North |
| Terminus A: | by Roswell |
| Terminus B: | by Fort Sumner |
| Counties: | Chaves, De Baca |
| Previous Type: | NM |
| Previous Route: | 19 |
| Next Type: | NM |
| Next Route: | 21 |
State Road 20 (NM 20) is a state highway in the US state of New Mexico. Its total length is approximately 45.9miles. NM 20's southern terminus is at US 285 by Roswell, and the northern terminus is by Fort Sumner, at US 60 .