| Acronym | Definition |
|---|
| HOSC➣Huntsville Operations Support Center |
| HOSC➣Heads of Special Collections (University of California system) |
| HOSC➣Higher-Order and Symbolic Computation |
| HOSC➣Health Overview and Scrutiny Committee (UK) |
| HOSC➣Hybrid Operating System Cluster |
| HOSC➣History of Science Cases |