| Acronym | Definition |
|---|
| IVRS➣Interactive Voice Response System |
| IVRS➣I/O (Input/Output) Virtualization Reporting Structure |
| IVRS➣Iowa Vocational Rehabilitation Services |
| IVRS➣Inland Valley Recovery Services (drug and alcohol rehabilitation; est. 1962; Upland, CA) |
| IVRS➣Independent Valuation and Risk Services Limited (various locations) |
| IVRS➣Ironside Volunteer Rescue Squad (Maryland) |