| STDM | Sociedade de Turismo e Diversoes de Macau (Macau Society of Tourism and Entertainment) | 澳门旅游与娱乐协会 |
| STDM | Spot the Deliberate Mistake | 发现故意的错误 |
| STDM | Sanal Ortamda TÜrk Dermatoloji MÜzesi (Turkish) | Sanal Ortamda TÜrk Dermatoloji MÜzesi (Turkish) |
| STDM | Spread-Transform Dither Modulation | 扩散变换抖动调制 |
| STDM | Space Technology for Disaster Management | 空间技术用于灾害管理 |
| STDM | Sexually Transmitted Disease Morbidity | 性传播疾病发病率 |
| STDM | Statistical Time Division Multiplexing | 统计时分复用 |
| STDM | Synchronous Time Division Multiplexer | 同步时分复用器 |
| STDM | Space Technology and Disaster Management (OOSA) | 空间技术与灾害管理 |
| STDM | Statistical Time Division Multiplexer | 统计时分复用器 |