- DCCN stands for Dimensions of Critical Care Nursing (journal)
- DCCN stands for Donders Centre for Cognitive Neuroimaging (Netherlands)
- DCCN stands for Distributed Computer Communication Networks (conference)
- DCCN stands for Devon Community Composting Network (UK)
- DCCN stands for Diaporama Créatif Court Numérique (French: small audiovisual sequences)
- DCCN stands for Daimler-Chrysler Corporate Network
- DCCN stands for Developmental Command & Control Network
DCCN