| Acronym | Definition |
|---|
| I&R➣Information & Referral |
| I&R➣Identification and Registration (health) |
| I&R➣Initiative and Referendum (legislative process; various nations) |
| I&R➣Installation and Repair |
| I&R➣Investigation and Research |
| I&R➣Innovation and Research |
| I&R➣Inspect & Repair (technician) |
| I&R➣Intelligence & Reconnaissance |
| I&R➣Inspection & Repack (parachute rigging) |
| I&R➣Insights and Reflection |