SSBN
| Acronym | Definition |
|---|---|
| SSBN | Ship, Submersible, Ballistic, Nuclear (submarine) |
| SSBN | Susquehanna Sustainable Business Network (Marietta, PA) |
| SSBN | Strategic Submarine Ballistic Nuclear |
| SSBN | Sub-Surface Ballistic Nuclear (nuclear submarine) |
| SSBN | South Side Business News (Fountain, CO) |
| SSBN | Stainless Steel Black Nitride (valves) |