| Acronym | Definition |
|---|
| MHA➣My Hero Academia (manga) |
| MHA➣Mental Health America |
| MHA➣Mental Health Association |
| MHA➣Ministry of Home Affairs |
| MHA➣Mississippi Hospital Association (Madison, MS) |
| MHA➣Maritime History Archive (Memorial University of Newfoundland; Canada) |
| MHA➣Mueller-Hinton Agar (microbiology) |
| MHA➣Merritt Hawkins & Associates (Irving, TX) |
| MHA➣Monthly Housing Allowance (various organizations) |
| MHA➣Michigan Health & Hospital Association |
| MHA➣Memphis Housing Authority (Memphis, TN) |
| MHA➣Manchester Health Academy (UK) |
| MHA➣Mining History Association |
| MHA➣Mental Health Authority |
| MHA➣Mental Health Advocate |
| MHA➣Minnesota Multi Housing Association (also seen as MMHA; est. 1967; trade association) |
| MHA➣Member of the House of Assembly (Newfoundland, Canada) |
| MHA➣Masters of Health Administration |
| MHA➣Microangiopathic Hemolytic Anemia |
| MHA➣Masters of Healthcare Administration |
| MHA➣Mental Health and Aging |
| MHA➣May-Hegglin Anomaly |
| MHA➣Malaysian Highway Authority |
| MHA➣Masonry Heater Association |
| MHA➣Managed Healthcare Associates (Florham Park, NJ) |
| MHA➣Memorial Hospitals Association (Modesto, CA) |
| MHA➣Major Hazard Analysis |
| MHA➣McDonough Holland & Allen (attorneys) |
| MHA➣Minimum Holding Altitude |
| MHA➣Mental Health Aide |
| MHA➣Association of Maryland Hospitals & Health Systems |
| MHA➣Major Headquarters Activities (US DoD) |
| MHA➣Magnetic Head Assembly (computer hard drives) |
| MHA➣Mobile Humic Acid |
| MHA➣Masthead Amplifier |
| MHA➣Medal for Humane Action |
| MHA➣Atlantic Menhaden (FAO fish species code) |
| MHA➣Maximum Hypothetical Accident |
| MHA➣Mage Hunter Assassin (gaming; Warmachine) |
| MHA➣Canadian Malignant Hyperthermia Association |
| MHA➣Michigan Horseshoers Association |
| MHA➣Model Hovercraft Association |
| MHA➣Molokai Hunters Association |
| MHA➣Motor Home Class A |
| MHA➣Man-Hour Accounting |
| MHA➣Macdonald Harris & Associates Ltd. |
| MHA➣Missouri Hereford Association |
| MHA➣Methionine Hydroxyl Analog |
| MHA➣Maryland Housing Authority |
| MHA➣Mental Hygiene Arrest |
| MHA➣Malaysia Hockey Association |
| MHA➣Milt Hinton Award |
| MHA➣Masters of Historical Administration |
| MHA➣Murray Hershman & Associates, Inc. |
| MHA➣Mobile Handset Antenna |