| 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 |