PTU

PTU may refer to:

Science and medicine

 * Paroxysmal tonic upgaze, ophthalmological disorder
 * Phenylthiourea, an organosulfur thiourea
 * Power transfer unit, for aircraft hydraulic systems
 * Propylthiouracil, a hyperthyroidism drug

Universities

 * Puducherry Technological University, Pondicherry, India
 * Punjab Technical University, Jalandhar, India
 * Pyay Technological University, Burma

Organizations

 * Australian Rail Tram and Bus Industry Union or Public Transport Union
 * Hong Kong Professional Teachers' Union
 * Paratroop Training Unit RAAF, during WWII
 * Plumbing Trades Union, UK

Other uses

 * PTU (film), Hong Kong, 2003
 * Platinum Airport, Alaska, US, IATA code
 * Police Tactical Units (PTUs)
 * Professional technical school (Russian: Professionalno-tehnicheskoye uchilische) in the Soviet Union
 * Podatek od towarów i usług, value-added tax in Poland