PTX may refer to:

Places Plano, Texas, a city in the United States Contador Airport (IATA airport code: PTX, ICAO airport code: SKPI) Pitalito, Huila, Colombia. Putian West railway station (rail code: PTX) Guancheng Hui, Zhengzhou, Henan, China

Biology and medicine Pentraxin, a protein domain and family Paclitaxel, an anticancer drug Pertussis toxin, an inhibitor of G-protein coupled receptors Palytoxin, an extremely poisonous vasoconstrictor Picrotoxin, a poisonous crystalline plant alkaloid Pumiliotoxin, found in dart frogs Pneumothorax, a medical condition also sometimes called "collapsed lung"

Computing Parallel Thread Execution, an intermediary assembler language by NVIDIA ptx (Unix), a Unix command-line utility producing a permuted index .ptx, RAW image format for Pentax cameras .ptx, the file extension for the session project file for Pro Tools 10 and later

Other uses PTX, a series of military explosives from WWII, see List of explosives used during World War II PTX, a series of fictional robots in the video game 2nd Super Robot Wars Original Generation Pentatonix, an American a cappella group PTX (album), a 2014 album by Pentatonix Prescient Therapeutics (stock ticker: PTX) drug company Pillowtex Corporation (stock ticker: PTX) bedware company

See also

Providence Therapeutics (product code prefix: PTX) a biotechnology company