| Acronym | Definition |
|---|
| S&A | Safe and Arm (electronic device) |
| S&A | Sampling and Analysis |
| S&A | Services & Agencies |
| S&A | Simulation and Analysis |
| S&A | Snakes & Arrows (Rush music album) |
| S&A | Studies and Analysis |
| S&A | Sensors & Actuators |
| S&A | Bureau of Supplies and Accounts |
| S&A | Subsidiary and Associate (various locations) |
| S&A | Sales & Administration |
| S&A | Single and Available |
| S&A | Supervision and Administration |
| S&A | Sickness & Accident (insurance) |
| S&A | Strategy & Architecture |
| S&A | Surveillance and Analysis |
| S&A | Sudden & Accidental (pollution) |
| S&A | Sex & Affection |
| S&A | Safety & Arming |