THP

THP may refer to:

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

 * Tan Hiep Phat Beverage Group, a Vietnamese drink producer
 * Tennessee Highway Patrol, a law enforcement agency in the US
 * Texas Highway Patrol, a law enforcement agency in the US
 * The Hunger Project, an American non-profit organization working to end food shortages around the world
 * Thermal hydrolysis process, a sewage treatment method
 * THP Orchestra, a 1970s Canadian disco band
 * Tomlinson-Harashima precoding, a version of dirty paper coding, a mathematical technique to reduce the impact of interference in digital communications
 * Trembling-hand perfection or trembling hand perfect equilibrium, a concept in game theory
 * Turbo High Pressure, a variant of the Prince engine developed by BMW and PSA Peugeot Citroën