IRC (disambiguation)
- Australian Industrial Relations Commission
- Circle City Airport
- IRC
- IRC (organization)
- IRC +10420
- IRC -10414
- IRC Limited
- IRC Tire
- IRC-Galleria
- Immigration detention in the United Kingdom
- Immigration, Refugees and Citizenship Canada
- Incrementally related carriers
- Independence Republic of Sardinia
- Indian River County, Florida
- Industrial Reorganisation Corporation
- Infrared reflective coating
- Inland Regional Center
- Intercontinental Rally Challenge
- Internal Revenue Code
- International Building Code
- International Rating Certificate
- International Red Cross and Red Crescent Movement
- International Rescue Committee
- International Rescue Corps
- International Rostrum of Composers
- International reply coupon
- Intrinsic reaction coordinate
- Two-Micron Sky Survey