SSBU
| Acronym | Definition |
|---|---|
| SSBU | Super Smash Bros. Ulitmate (gaming) |
| SSBU | Super Smash Brothers Ultimate (game) |
| SSBU | Switching Systems Business Unit (Bell Laboratories) |
| SSBU | Shared Storage Business Unit (Mercury Computer Systems) |
| SSBU | Scottish Schools Badminton Union (UK) |
| SSBU | Storage Security Business Unit |
| SSBU | Structural Steel Business Unit (Zamil Steel; Saudi Arabia) |
| SSBU | Skew-Symmetric Bilinear Utility (risk management) |