| 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) |