| Acronym | Definition |
|---|
| ISRN➣International Scholarly Research Network (journal series) |
| ISRN➣International Standard Road Number |
| ISRN➣International Standard Technical Report Number |
| ISRN➣Internet Signal Radio Network |
| ISRN➣Innovation Systems Research Network (University of Toronto; Canada) |
| ISRN➣I'll Stop Rambling Now (IRC) |
| ISRN➣Improvement Science Research Network (US NIH) |
| ISRN➣Incorporated Society of Registered Naturopaths (est. 1934; UK) |