| MASM | Macro ASseMbler | 宏汇编编译器 |
| MASM | Mongolian Association of Surveying and Mapping | 蒙古测绘协会 |
| MASM | Marinelife Aquarium Society of Michigan | 密歇根州水族馆协会 |
| MASM | Muslim American Society of Minnesota | 明尼苏达州美国穆斯林协会 |
| MASM | Military Assistance & Sales Manual | 军事援助和销售手册 |
| MASM | Microsoft Assembler | Microsoft汇编程序 |
| MASM | Modeling and Analysis of Semiconductor Manufacturing | 半导体制造的建模与分析 |
| MASM | Mike Aaron Signature Model | Mike Aaron签名模型 |
| MASM | Mather Aerospace Modelers (Rancho Cordova, CA) | Mather Aerospace Modelers（加利福尼亚州Rancho Cordova） |