| Acronym | Definition |
|---|
| ISOB➣International Society on Biotelemetry (telemetry information exchange group) |
| ISOB➣International School of the Bible |
| ISOB➣International Society of Barristers (est. 1965) |
| ISOB➣Incorporated Society of Organ Builders (est. 1947; UK) |
| ISOB➣Insurance Society of Baltimore (Maryland) |