IRJ, a three letter acronym, may refer to:
- International Railway Journal
- Indian Regional Jet
- Insulated rail joint, an electrically insulated railjoint (see Fishplate)
- IATA code for Capitán Vicente Almandos Almonacid Airport in La Rioja, Argentina
This disambiguation page lists articles associated with the title IRJ.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: