| Abbreviation | Definition |
|---|---|
| ABG | Absolute Best Guaranteed |
| ABIP | Agricultural Bioproducts Innovation Program |
| ABIS | Automatic Bee Identification System |
| ABM | Automatic Bottle Machine |
| ABN | Aluminum Brass Nickel |
| ABO | Alpha Boat Originals |
| ABP | American Brilliant Period |
| ABP | Amway Business Products |
| ABPA | Automotive Bright Products Association |
| ABPR | Animal By-Products Regulations |
| ABQR | Active Bio Quartz Ring |
| ABRP | American Building Restoration Products |
| ABS | Acrylonitrile Butadiene Styrene |
| ABS | Agile Body Suit |
| ABS | Anti Balance System |
| ABS | Anti-Ballistic Selenium |
| ABSD | Achievable Buoy Station Dimension |
| AC | Acceptance Criteria |
| AC | Affordable Cars |
| AC | Air Conditioner |