| 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 |