OLCR
| Acronym | Definition |
|---|---|
| OLCR | Optical Low-Coherence Reflectometry |
| OLCR | Online Class Registration (University of Western Australia) |
| OLCR | Office of Licensing, Certification, and Regulation (Arizona) |
| OLCR | Original London Cast Recording (album; UK) |
| OLCR | Online Character Recognition |
| OLCR | Oblique Lateral Cephalometric Radiography (maxillofacial surgery) |