ILR
- Cornell University School of Industrial and Labor Relations
- ILR scale
- Implantable loop recorder
- Indefinite leave to remain
- Independent Local Radio
- Indian Long Range Squadron
- Individualised Learner Record
- Industrial and Labor Relations Review
- Institute for Legal Reform
- Interagency Language Roundtable
- Interleukin receptor
- Iowa Law Review
- Ivo Lola Ribar Institute
- Luxembourg