THP may refer to:
Businesses and organisations Tan Hiep Phat Beverage Group, a Vietnamese drink producer Tennessee Highway Patrol, an American law enforcement agency Texas Highway Patrol, another American law enforcement agency The Hunger Project, an American non-profit
Mathematics Tomlinson-Harashima precoding, to reduce the impact of communications interference Trembling-hand perfection, in game theory
Science and medicine Tamm–Horsfall protein (also known as uromodulin), a glycoprotein found in urine Tetrahydropalmatine, a plant alkaloid Tetrahydroprogesterone, any of four stereoisomer neurosteroid metabolites of progesterone with the word pregnanolone Tetrahydropyran, an organic chemical THP-1 cell line, a human cell line derived from a leukemia patient used in immunocytochemical analysis Trihexyphenidyl, an antiparkinsonian agent
Other uses THP Orchestra, a 1970s Canadian disco band Thermal hydrolysis process, a sewage treatment method Turbo High Pressure, a Prince engine variant