Found 5 full forms for SSNI
| Term | Full Form | Category |
|---|---|---|
| SSNI | Secretary of State for Northern Ireland 
| Others |
| SSNI | Securities Service Network Inc
| Others |
| SSNI | Silver Spring Networks Inc
| Others |
| SSNI | Star Search Nashville International
| Others |
| SSNI | Sublittoral Survey Northern Ireland
| Others |