| Acronym | Definition |
|---|
| JISC➣Joint Information Systems Committee (UK) |
| JISC➣Joint Implementation Supervisory Committee (UN) |
| JISC➣Joint Information Systems Committee |
| JISC➣Japan Industrial Standards Committee |
| JISC➣Joint Industry Safety Committee |
| JISC➣Jennings Information Systems Consulting (est. 1982; New Hampshire) |
| JISC➣Joint Iraqi Security Company (Iraq) |