- DMN stands for Dallas Morning News (newspaper)
- DMN stands for Dimension
- DMN stands for Dimethylnitrosamine (carcinogen)
- DMN stands for Default Mode Network (brain area)
- DMN stands for Decision Model & Notation
- DMN stands for Dorsal Motor Nucleus (vagus nerve)
- DMN stands for Disease Management Nurse
- DMN stands for Defective Material Notification (various companies)
- DMN stands for Data Multiplexing Network
- DMN stands for Defective Material Notice
- DMN stands for Discrete Memoryless Network
- DMN stands for Document Management Number
- DMN stands for Digital Milti-Network
- DMN stands for Dynamic Mesh Network
DMN