| Acronym | Definition |
|---|
| OLR➣Our Lady of the Rosary (various locations) |
| OLR➣Office of Legislative Research (Connecticut) |
| OLR➣Off Line Reader |
| OLR➣Optical Line Repeater |
| OLR➣on Line Resources |
| OLR➣on Line Registration |
| OLR➣on Line Reference |
| OLR➣on Line Replacement |
| OLR➣Office of Labor Relations |
| OLR➣Organic Loading Rate |
| OLR➣Offensive Line Rating (football statistic) |
| OLR➣Outgoing Longwave Radiation |
| OLR➣Office of Licensing and Registration (Maine) |
| OLR➣Overload Relay |
| OLR➣On-Line Registration |
| OLR➣Overload Report |
| OLR➣Offline Reader (computer conferencing) |
| OLR➣Outgoing Long-Wave Radiation |
| OLR➣One Life Revolution (AIDS; Malaysia) |
| OLR➣Online Reconfiguration |
| OLR➣Online Realty (Canada) |
| OLR➣Online Replacement |
| OLR➣Overall Loudness Rating |
| OLR➣OverLooked Remix |
| OLR➣Optical Label Reader |
| OLR➣Outstanding Loss Reserve (insurance) |
| OLR➣On Location Repair |
| OLR➣Online Learning Record (various locations) |
| OLR➣Open-Loop Resonator |
| OLR➣On-Line Replaceable |
| OLR➣Observation Location Refinement |
| OLR➣Optical Label Remover |