| Abbreviation | Definition |
|---|---|
| MWPA | Maine Writers & Publishers Alliance |
| MWPA | Maryland Wedding Professionals Association |
| MWPA | Massachusetts Workforce Professionals Association |
| MWPA | Montana Wood Products Association |
| MYAL | Muslim Youth Association Of London |
| NA | Neighborhood Association |
| NAA | National Apartment Association |
| NAA | National Aquaculture Association |
| NAAA | National Academy of Audit Accounts |
| NAAA | National Academy of Audit & Accounts |
| NAACO | North American Association Of Commencement Officers |
| NAAD | National Association of Advertising Distributors |
| NAAD | National Association of Aluminum Distributors |
| NAAD | Network For Association Action And Dialogue |
| NAADA | National Agricultural Alumni and Development Association |
| NAADAC | National Association For Alcohol And Drug Addiction Counselors |
| NAADAC | National Association Of Addiction And Drug Abuse Counselors |
| NAADD | National Association Of Alcohol Drugs And Disability |
| NAADD | National Association Of Alcohol Drugs Disability |
| NAADD | National Association Of Athletic Development Directors |