| Abbreviation | Definition |
|---|---|
| SNA | State Natural Area |
| SNB | Senate Bill |
| SNB | State Nursing Board |
| SNDO | Southern Nevada District Office |
| SNEP | Sierra Nevada EarthScope Project |
| SNEP | Southeast New England Program |
| SNEW | South Norwalk Electric and Water |
| SNH | Southern New Hampshire |
| SNI | Sandpoint, North Idaho |
| SNI | Seneca Nation of Indians |
| SNIC | Smart National Identity Card |
| SNIN | State-National Information Network |
| SNJ | Southern New Jersey |
| SNLT | State Network Leadership Team |
| SNLT | Statewide Non-traditional Leadership Team |
| SNM | Soccorro, New Mexico |
| SNP(s) | Senior Nutrition Program(s) |
| SNRPC | Southern Nevada Regional Planning Coalition |
| SNV | Southern Nevada |
| SNWA | Southern Nevada Water Authority |