| Acronym | Definition |
|---|
| MICA | Maryland Institute, College of Art |
| MICA | Ministry of Information, Communications and the Arts (Singapore) |
| MICA | Major Histocompatibility Complex Class I-Related Chain A |
| MICA | Multiservice Ios Channel Aggregation |
| MICA | Mortgage Insurance Companies of America |
| MICA | Music Information Center Austria |
| MICA | Mobile Intensive Care Ambulance |
| MICA | Multiyear Interactive Computer Almanac (USNO) |
| MICA | Mudra Institute of Communications Ahmedabad |
| MICA | Midwest Insulation Contractors Association |
| MICA | Military Intelligence Corps Association |
| MICA | Mid-Iowa Community Action, Inc (Marshalltown, IA) |
| MICA | Modem ISDN Channel Aggregation |
| MICA | Medical Information Center Aichi (Japan) |
| MICA | Milestones in Computer Algebra (conference) |
| MICA | Matchbox International Collectors Association |
| MICA | Missile d'Interception, de Combat et d'Autodéfense (French: Dogfight/Self-Defence/Interception Missile) |
| MICA | Michigan Internet Cooperative Association |
| MICA | Multiservice IOS Channel Aggregation (Cisco) |
| MICA | Mentally Impaired Chemically Addicted |
| MICA | Meat Importers Council of America, Inc. |
| MICA | Macroinstruction Compiler |
| MICA | Medical Information Communications Application |
| MICA | Marine Corps Intelligence Activity |
| MICA | Member of the International Compliance Association |
| MICA | Management Information for Configuration and Allowance |
| MICA | Ministry of Industry, Commerce and Craft |
| MICA | Mobile Industrial Caterers Association (Madison Heights, MI) |
| MICA | Mécanisme d'Incitation à la Cessation d'Activité des Médecins Libéraux (French: Incentive Mechanism for the Cessation of Private Physicians) |