| State: | NM |
| Type: | SR |
| Route: | 345 |
| Alternate Name: | Unser Boulevard |
| Map Custom: | yes |
| Length Mi: | 3.645 |
| Length Ref: | [1] |
| Direction A: | South |
| Terminus A: | Central Avenue in Albuquerque |
| Junction: | in Albuquerque |
| Direction B: | North |
| Terminus B: | St. Josephs Avenue in Albuquerque |
| Counties: | Bernalillo |
| Previous Type: | NM |
| Previous Route: | 344 |
| Next Type: | NM |
| Next Route: | 346 |
State Road 345 (NM 345) is a 3.6adj=midNaNadj=mid state highway in the US state of New Mexico. NM 345's southern terminus is at Rio Bravo Blvd. in Albuquerque, and the northern terminus is at Northern Boulevard in Rio Rancho, NM. NM 345 is signed as Unser Boulevard in Albuquerque and Rio Rancho.