HCSL
| 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) |