| Abbreviation | Definition |
|---|---|
| MIPA | Mercer Island Preschool Association |
| MIPA | Michigan Independent Providers Association |
| MIPA | Michigan Interscholastic Press Association |
| MIPA | Midwest Independent Practice Association |
| MIPA | Midwest Independent Publishers Association |
| MIPA | Mississippi Independent Pharmacies Association |
| MIPAN | Media Independent Practitioners Association of Nigeria |
| MIPCEA | Member (of the) Invited Professional Contracting Engineers' Association |
| MIRA | Minimally Invasive Robotic Association |
| MIRA | Motor Industries Research Association |
| MIRSA | Malta International Relations Student Association |
| MIRSA | Michigan Intramural Recreational Sports Association |
| MISA | Macarthur Independent Schools Association |
| MISA | Management of Information Systems Association |
| MISA | Michigan Information Systems Association |
| MISA | Microsoft Intelligent Security Association |
| MISA | Motor Industry Staff Association |
| MISCA | Monhegan Island Sustainable Community Association |
| MITA | Maine Island Trail Association |
| MITA | Metroplex Interpreter and Translator Association |