| DWDM | Dense Wavelength Division Multiplexing | 密集波分复用 |
| DWDM | Dense Wavelength Division Multiplexer | 密集波分复用器 |
| DWDM | Dense Wave Division Multiplexing | 密集波分复用 |
| DWDM | Dense Wavelength Division Multiplexing (fiber optic communications) | 密集波分复用（光纤通信） |
| DWDM | Data Warehousing and Data Mining | 数据仓库和数据挖掘 |