- DPLN stands for Direction de la Promotion des Langues Nationales (French: Directorate for the Promotion of National Languages; Senegal)
- DPLN stands for Diversity Professional Leadership Network (New York)
- DPLN stands for Diffuse Proliferative Lupus Nephropathy
- DPLN stands for Draining Popliteal Lymph Node (cell biology)
DPLN