Found 4 full forms for SSGN
| Term | Full Form | Category |
|---|---|---|
| SSGN | Guided Missile Submarine, Nuclear Powered 
| Others |
| SSGN | Safe and Sober Grad Night
| Others |
| SSGN | Ship, Submersible, Guided, Nuclear
| Others |
| SSGN | Submersible Ship Guided Nuclear
| Others |