| AMBA | Accelerated Masters in Business Administration 
| Others |
| AMBA | Advanced Memory Bus Access
| Others |
| AMBA | Advanced Microcontroler Bus Architecture
| Others |
| AMBA | Advanced Microcontroller Bus Architecture
| Others |
| AMBA | Advanced Microprocessor Bus Architecture
| Others |
| AMBA | Advanced Multimedia Billboard Advertising
| Others |
| AMBA | Alberta Mortgage Brokers Association
| Others |
| AMBA | Albuquerque Mountain Bike Association
| Others |
| AMBA | American Malting Barley Association
| Others |
| AMBA | American Medical Billing Association
| Others |
| AMBA | American Mold Builders Association
| Others |
| AMBA | American Museum of Beat Art
| Others |
| AMBA | American Mustang and Burro Association
| Others |
| AMBA | Anthony Marini Birmingham Alabama (restaurant)
| Others |
| AMBA | Area Metropolitana de Buenos Aires
| Others |
| AMBA | Associacao Medica Brasileira de Acupuntura
| Others |
| AMBA | Association Member Benefit Advisors
| Others |
| AMBA | Association Member Benefits Advisors
| Others |
| AMBA | Association of Military Banks of America
| Others |
| AMBA | Australian Multiple Birth Association
| Others |
| AMBA | Automechanika Buenos Aires
| Others |
| AMBA | The Arm Modular Bus Architecture
| Others |