PTJ may refer to:
Cuerpo Técnico de Policía Judicial, Venezuela's national police agency until 2001 Impetigore, also known as Perempuan Tanah Jahanam, a 2019 Indonesian folk horror film Passenger Train Journal, an American magazine about passenger railways and urban rail transit Paul Tudor Jones (born 1954), American hedge fund manager Phallon Tullis-Joyce (born 1996), American soccer player Portland Airport (Victoria), IATA code Protivteroristička jedinica, the Serbian name of the Counter-Terrorist Unit (Serbia)