RSSB
| Acronym | Definition |
|---|---|
| RSSB | Rail Safety and Standards Board (UK) |
| RSSB | Radha Soami Satsang Beas (spirtual) |
| RSSB | Rio Rancho Symphonic Band (Rio Rancho, NM) |
| RSSB | République Socialiste des Soviets de Russie Blanche |
| RSSB | Reverse-Subtract and Skip If Borrow |
| RSSB | Rosetta Stone of Standards Bodies |