| Acronym | Definition |
|---|
| ISRF➣Interstellar Radiation Field |
| ISRF➣Independent Social Research Foundation (UK) |
| ISRF➣India Science and Research Fellowship |
| ISRF➣International Student Research Forum (University of Nebraska Medical Center) |
| ISRF➣Irish South Road Federation (Ireland) |
| ISRF➣Information Systems Research Forum (UK) |
| ISRF➣International Squash Rackets Federation (est. 1967) |
| ISRF➣Infrastructure State Revolving Fund (California) |
| ISRF➣Internet Screenphone Reference Forum |
| ISRF➣International Sugar Research Foundation |
| ISRF➣International Special Committee on Radio Interface |
| ISRF➣Infra Solitary Reticular Formation |