| IRPC | I Ride Park City 
| Others |
| IRPC | Idaho Rules of Professional Conduct
| Others |
| IRPC | Illinois Rules of Professional Conduct
| Others |
| IRPC | Immigration Reception and Processing Centre
| Others |
| IRPC | Indianhead Rifle and Pistol Club
| Others |
| IRPC | Institute for Religion Politics and Culture
| Others |
| IRPC | Institutional Research and Planning Committee
| Others |
| IRPC | Integrated Refinery and Petrochemical Complex
| Others |
| IRPC | Intel Rapid Prototyping Challenge
| Others |
| IRPC | International Refining and Petrochemical Conference
| Others |
| IRPC | International Reggae Poster Contest
| Others |
| IRPC | International Regulations for Preventing Collisions
| Others |
| IRPC | International Research Promotion Council
| Others |
| IRPC | Internet Rights and Principles Dynamic Coalition
| Others |