TTP may refer to:
- Tehrik-i-Taliban Pakistan (Students' Movement of Pakistan), the main Taliban militant umbrella group in Pakistan
- Tehreek-e-Tahaffuz-e-Pakistan, a political party in Pakistan led by Dr. AQ Khan
- Tenderness to palpation, a medical diagnostic such as in Trochleitis
- Tactics, techniques and procedures, the actions and methods used under certain combat situations
- Ten Tarleton Peppers, a tradition of Tarleton State University
- TestTrack Pro, an issue tracking system made by Seapine Software
- Thrombotic thrombocytopenic purpura, a blood disorder
- Thymidine triphosphate, one of the four nucleoside triphosphates that make up DNA
- Time-Triggered Protocol, a concept related to networking
- Titan Pharmaceuticals, a California company with the stock symbol TTP
- TOS Takes Parameters (.TTP), a program type for Atari TOS that takes arguments from a dialog box
- Tractatus Theologico-Politicus, one of Spinoza's works
- Tristetraprolin, a protein
- Trophically transmitted parasite
- Trusted third party, an entity facilitating interactions between two other parties