| Abbreviation | Definition |
|---|---|
| RSA | Rivest Shamir Adleman |
| RSA | Rivest Shamir Algorithm |
| RSA | Rivest Shamir and |
| RSA | Rivest Shamir and Adelman |
| RSA | Rivest Shamir and Adleman |
| RSA | Road Safety Audits |
| RSA | Roller Skating Association |
| RSA | Rural Service Area |
| RSA | SecurID Access |
| RSA | South Africa |
| RSAA | Remote Server Access Agreements |
| RSAA | Rochester Syracuse Auto Auction |
| RSAB | Regulatory Support Advocacy and Bioethics |
| RSAB | Renaissance School Advisory Board |
| RSAB | Renaissance Schools Advisory Board |
| RSAC | Rambutan Seed Activated Carbon |
| RSAC | Rand Strategy Assessment Center |
| RSAC | Regularized Subspace Approximation Classifier |
| RSAD | Radiological Safety Analysis Document |
| RSAD | RMS Situational Awareness Displays |