DPP may stand for:
- Democratic Progressive Party, a Taiwanese political party of the Republic of China favoring Taiwan Independence
- Democratic Progressive Party (Malawi), a Malawian political party
- Director of Public Prosecutions, an officer of the law in several countries
- Danish People's Party, a political party in Denmark
- Directie van de Interne Dienst voor Preventie en Bescherming op het Werk van de federale politie, a service of the Belgian Police
- Decapentaplegic, a gene involved in development
- Digital Photo Professional (Software of Canon EOS camera)
- Digital Photonic Processor (opto-electronics, MEMs industry)
- the growth factor Decapentaplegic, see Bone morphogenetic protein
- The Directory of Discussions Deals
- Digital Pen and Paper
- Daniel P. Patterson, musician and DJ
- Direct Participation Program/Plan investments in business ventures
- Dipetidyl Peptidase/an enzyme cutting parts consisting of two amino acids from the n-terminal end of a protein or peptid
- Double Pussy Penetration, a term used in the pornography industry.
- Dark Passion Play, an album by symphonic metal quintet Nightwish
- DSM Pharmaceuticals Products, a part of DSM, which is active worldwide in nutritional and pharmaceuticals ingredients
- Dinosaur Provincial Park, a provincial park in Alberta