- DPSN stands for Direction des Produits de Santé Naturels (French: Natural Health Products Directorate; Canada)
- DPSN stands for Direction de la Planification de Sécurité Nationale (French: Directorate of National Security Planning)
- DPSN stands for Diversityworks Peer Support Network
- DPSN stands for Diploma of Professional Studies in Nursing (UK)
- DPSN stands for Dufferin Parent Support Network (Canada)
- DPSN stands for Deployable Packet Switched Nodes
- DPSN stands for Seaman, Data Processing Technician Striker (Naval Rating)
DPSN