PIJ may refer to:
Palestinian Islamic Jihad, a Palestinian Islamist organization formed in 1981 Palestine–Israel Journal, a non-profit journal based in Jerusalem pij, the ISO 639-3 abbreviation for the Pijao language Proximal interphalangeal joints, one of two sets of joints in the Interphalangeal joints of the hand Public Interest Journalism Foundation, formerly at the Swinburne University of Technology, Australia Public Interest Journalistic Freedom, independent successor organisation to Public Interest Journalism Foundation, based in the UK