- DPPN stands for Développement de Produits Pharmaceutiques et Nutritionnels (French: Development of Pharmaceutical and Nutritional Products)
- DPPN stands for Dictionary of Pali Proper Names (Pali Text Society; London, UK)
- DPPN stands for Discount Preferred Provider Network
- DPPN stands for Développement et Prescription de Produits Nouveaux (French: Prescription and Development of New Products)
- DPPN stands for Dental Preferred Provider Network (insurance; various locations)
DPPN