PPJ

PPJ may refer to:


 * Pallo-Pojat Juniorit, an association football club based in Helsinki, Finland
 * Parti Pirates Jeunes
 * Putrajaya Corporation
 * Cycloparc PPJ
 * Pasir Panjang MRT station (MRT station abbreviation), a Mass Rapid Transit station in Singapore
 * PPJ Framework, the support library used by ported applications on .NET