| IHRA | Idaho Hydropower Resource Assessment 
| Others |
| IHRA | Illinois Human Rights Act
| Others |
| IHRA | International Harm Reduction Association
| Others |
| IHRA | International Holocaust Remembrance Alliance
| Others |
| IHRA | International Hot Rod Association
| Others |
| IHRA | International Hotel & Restaurant Association
| Others |
| IHRA | International Human Rights Administration
| Others |
| IHRA | International Human Rights Advocates
| Others |
| IHRA | International Human Rights Association
| Others |
| IHRA | Intersex Human Rights Australia
| Others |
| IHRA | Iredell Human Resource Association
| Others |