| ISDR | Il Secolo Della Rete 
| Others |
| ISDR | Information Services Division Rotation
| Others |
| ISDR | Information Services Division Rotational
| Others |
| ISDR | Institut Superieur de Developpement Rural
| Others |
| ISDR | Institute of Specialist Dispute Resolution
| Others |
| ISDR | Interferon Sensitivity Determining Region
| Others |
| ISDR | International Skeletal Dysplasia Registry
| Others |
| ISDR | International Society for Diatom Research
| Others |
| ISDR | International Society of Dental Regulators
| Others |
| ISDR | International Strategy for Disaster
| Others |
| ISDR | International Strategy for Disaster Reduction
| Others |