| MAAT | Multibody Advanced Airship for Transport 
| Others |
| MAAT | Museu de Arte Arquitetura e Tecnologia
| Others |
| MAAT | Museum of Art Architecture and Technology
| Others |
| MAATS | Motoring Advice Assessment and Tuition Services
| Others |
| MAAU | Malaysia Amateur Athletics Union
| Others |
| MAAU | Master Agreement Among Underwriters
| Others |
| MAAU | Museu Aberto de Arte Urbana
| Others |
| MAAW | Mail Art Across the World
| Others |
| MAAW | Male Abuse Awareness Week
| Others |
| MAAW | Management And Accounting Web
| Others |
| MAAW | Manitoba Access Awareness Week
| Others |
| MAAW | Marinen Aus Aller Welt
| Others |
| MAAW | Marketing Agencies Association Worldwide
| Others |
| MAAW | Miniature Aircraft Association of Westchester
| Others |
| MAAWG | Messaging Anti Abuse Working Group
| Others |
| MAAWG | Messaging Anti-Abuse Working Group
| Others |
| MAAX | Maxx Leasing
| Others |
| MAB | Mac Authentication Bypass
| Others |
| MAB | Mail Address Book
| Others |
| MAB | Maine Association of Broadcasters
| Others |
| MAB | Major Activities Board
| Others |
| MAB | Mammals And Biolgy
| Others |
| MAB | Mammals And Biosphere
| Others |
| MAB | Mammals And Birds
| Others |
| MAB | Man And Biodiversity
| Others |
| MAB | Man and Biology
| Others |
| MAB | Man and biosphere
| Others |
| MAB | Man And Biotic
| Others |
| MAB | Man And the Biosphere
| Others |
| MAB | Man and the Biosphere ( Programme )
| Others |
| MAB | Man And the Biosphere Program
| Others |
| MAB | Management Analysis Branch
| Others |
| MAB | Management of Assaultive Behavior
| Others |
| MAB | Managing an Agency Business
| Others |
| MAB | Manufacture de Arms de Bayonne
| Others |
| MAB | Maraba, PA, Brazil
| Others |
| MAB | Marine Amphibious Brigade
| Others |
| MAB | Marketing And Branding
| Others |
| MAB | Marksman Attack Board
| Others |
| MAB | Marquis Brougham
| Others |
| MAB | Massachusetts Association for the Blind
| Others |
| MAB | Master Acquisition Bus
| Others |
| MAB | Materials Advisory Board
| Others |
| MAB | Materials Applications Board
| Others |
| MAB | Mechanical Automation Breadboard
| Others |
| MAB | Medical Advisory Board
| Others |
| MAB | Medical Affairs Branch
| Others |
| MAB | Medical Association of Billers
| Others |
| MAB | Men Are Back
| Others |
| MAB | Messenger About Baby
| Others |