TPJ

TPJ may refer to:


 * The PracTeX Journal, an online journal focussing on practical use of the TeX typesetting system
 * The Perl Journal, a former journal which focused on the Perl programming language.
 * Tapieté, an indigenous language of Argentina (ISO 639 code tpj).
 * Temporoparietal junction, a region of brain where the temporal and parietal lobes meet.
 * Texans for Public Justice, a non-profit group.
 * Tiruchirappalli Junction railway station (station code TPJ).
 * Tiruchirappalli Railway Division, a division of Southern Railway Zone of India (reporting mark).
 * Triple Plate Junction PLC, a gold mining and exploration company involved in the reverse takeover of Namesco.
 * Tak and the Power of Juju, children's TV series and video game.
 * Tevita Pangai Jr, rugby league player for the Brisbane Broncos.