IJ
- Congregation of the Holy Infant Jesus
- Great Wall Airlines
- IJ (Amsterdam)
- IJ (digraph)
- IJK (disambiguation)
- Ich, Zanjan
- Ij Rural District
- Ij, Iran
- Ikkjutt Jammu
- Immigration judge (United States)
- Impractical Jokers
- Infinite Jest
- Inspectioneering Journal
- Institute for Justice
- Latin alphabet
- Spring Japan
- İj River