Posted in Business & Finance, Health & Medicine, Information Technology, Organizations, Science 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