| Acronym | Definition |
|---|
| ILR | Industrial and Labor Relations (Cornell University school) |
| ILR | Indefinite Leave to Remain (United Kingdom) |
| ILR | Institute for Legal Reform |
| ILR | Institute for Learning in Retirement |
| ILR | Interagency Language Roundtable |
| ILR | Independent Local Radio |
| ILR | Individualised Learner Record (UK) |
| ILR | Implantable Loop Recorder (heart rhythm monitor) |
| ILR | Intelligent Long Range (Identec Solutions, Inc.) |
| ILR | International Law Review (Washington College of Law, American University; Washington, DC) |
| ILR | Institut Für Luft – Und Raumfahrt (German:Institute and Chair of Aerospace Engineering) |
| ILR | International Llama Registry |
| ILR | Industrial and Labour Relations |
| ILR | Institute for Labour Research (UK) |
| ILR | Intrinsic Level Recovery |
| ILR | Item Level Restriction (game, RPG) |
| ILR | Interworking Location Register (Ericsson, Inc.) |
| ILR | Ice-Lined Refrigerator (preservation and storage) |
| ILR | IBM Library Reader |
| ILR | Indian Law Reports |
| ILR | Integrated Logistics Review |
| ILR | Indonesian Law Reporter |
| ILR | International Lineman's Rodeo |
| ILR | Immediate Loss Reporting (insurance) |
| ILR | Institute of Law Research (Vietnam) |
| ILR | Israel Law Reports |
| ILR | Iowa Law Review (University of Iowa; Iowa City, IA) |
| ILR | Institut Luxembourgeois de Régulation (French: Luxembourg Institute of Regulation; Luxembourg) |
| ILR | Independent Living Resources (various locations) |
| ILR | Institute for Law & Religion (Belgium) |