| ISER | Infrastructure Security and Energy Restoration 
| Others |
| ISER | Initial Self Evaluation Report
| Others |
| ISER | Initiative for Social and Economic Rights
| Others |
| ISER | Institute for Scientific and Engineering Research
| Others |
| ISER | Institute for Social and Economic Research
| Others |
| ISER | Institute for Social and Economic Research (University of Alaska)
| Others |
| ISER | Institute for Systems Engineering Research
| Others |
| ISER | Institute of Social and Economic Research
| Others |
| ISER | Institutional Self Evaluation Report
| Others |
| ISER | Integrated Site Edge Router
| Others |
| ISER | Integrated Systems for Epidemic Response
| Others |
| ISER | International Society for Engineers and Researchers
| Others |
| ISER | International Society for Eye Research
| Others |
| ISER | International Symposia on Equine Reproduction
| Others |
| ISER | International Symposium on Experimental Robotics
| Others |
| iSER | iSCSI Extensions for RDMA
| Others |