| Acronym | Definition |
|---|
| HCSL➣High-Speed Current Steering Logic (clock oscillators) |
| HCSL➣Harford County Soccer League (Maryland) |
| HCSL➣Hellenic Complex Systems Laboratory (est. 1993; Greece) |
| HCSL➣Host Clock Signal Level |
| HCSL➣Health Care Systems Leadership Retreat (American Hospital Association) |