| MMDA | money market deposit account | 货币市场存款帐户 |
| MMDA | Michigan Medical Device Association | 密歇根州医疗器械协会 |
| MMDA | Manitoba Motor Dealers Association | 马尼托巴省汽车经销商协会 |
| MMDA | Milwaukee Marine Dealers Association | 密尔沃基海洋经销商协会 |
| MMDA | Metropolitan Municipal and District Assembly | 大都会市和区议会 |
| MMDA | Metro Manila Development Authority | 马尼拉大都会发展局 |
| MMDA | Metropolitan Manila Development Authority (Philippines) | 马尼拉大都会发展局（菲律宾） |
| MMDA | 3-Methoxy-4,5-Methylenedioxyamphetamine (psychedelic phenethylamine) | 3-甲氧基-4,5-亚甲二氧基苯丙胺（迷幻苯乙胺） |
| MMDA | Madras Metropolitan Development Authority (Recently named to CMDA) | 马德拉斯大都会发展局（最近被CMDA命名） |
| MMDA | Martin Marietta Denver Aerospace | 马丁·玛丽埃塔·丹佛航空航天 |
| MMDA | trimethyoxy-amphetamine | 三甲氧基苯丙胺 |
| MMDA | Multi-Mode Digital Avionics | 多模数字航空电子设备 |
| MMDA | Mega Media Group, Inc. | Mega Media Group公司。 |
| MMDA | Metropolitan Manila Development Authority | 马尼拉大都会发展委员会 |
| MMDA | Money Market Demand Account | 货币市场需求账户 |
| MMDA | Methoxy-4,5-Methylene Dioxy-Amphetamine | 甲氧基-4,5-二氧基苯丙胺 |