| Acronym | Definition |
|---|
| CLARC➣Clear Lake Amateur Radio Club |
| CLARC➣Clever Archive (German software) |
| CLARC➣Centre for Late Antique Religion and Culture (Cardiff University, Cardiff, Wales, UK) |
| CLARC➣Central Louisiana Amateur Radio Club (Alexandria, LA) |
| CLARC➣Computing Library and Resources Center (University of Rochester; Rochester, NY) |
| CLARC➣Computer Learning and Resource Center, Inc. (Silver Spring, MD) |
| CLARC➣CASA (Civil Aviation Safety Authority) Licensing and Registration Centre (Australia) |