| Acronym | Definition |
|---|
| MOSA➣Metal Oxide Surge Arrester (electrical engineering) |
| MOSA➣Multi-Objective Simulated Annealing (algorithm) |
| MOSA➣Ministry of Social Affairs (Lebanon) |
| MOSA➣Modular Open Systems Approach (US DoD acquisition) |
| MOSA➣Ministry of State Administration (Timor) |
| MOSA➣Microsoft Online Service Agreement (contract) |
| MOSA➣MOtoSAldatrici (Italy) |
| MOSA➣Midwest Organic Services Association, Inc. (Viroqua, WI) |
| MOSA➣Monmouth Ocean Soccer Association |
| MOSA➣Montgomery, Otsego, Schoharie Solid Waste Management Authority (New York State) |
| MOSA➣Managed Operating System Alliance (project) |
| MOSA➣Mission Operations Support Area |
| MOSA➣Michigan Optometric Student Association |
| MOSA➣Monash Orientation Scheme for Aborigines (Monash University, Australia) |
| MOSA➣Maine Office of Substance Abuse |
| MOSA➣Minimum Operational Safe Altitude |
| MOSA➣Mercedes Old Scholars Association |
| MOSA➣Men Opposed to Sexual Assault |
| MOSA➣Missionaries on Special Assignment (International) |
| MOSA➣Mississippi Organization of Associate Degree Nursing Student Association |
| MOSA➣Maryland Oral Surgery Associates (Rockville, MD) |
| MOSA➣Management and Operational Services Agreement |
| MOSA➣Mechanical Obstructive Sleep Apnea |