| Acronym | Definition |
|---|
| OLN➣Our Last Night (band) |
| OLN➣Olin Corporation |
| OLN➣Outdoor Life Network (TV channel) |
| OLN➣on Line Network |
| OLN➣Office for Library and Information Networking |
| OLN➣Oracle Learning Network |
| OLN➣Object Literal Notation (computer programming) |
| OLN➣Ohio License Number |
| OLN➣Ohio League for Nursing (Rocky River, OH) |
| OLN➣Off License News (beverage magazine; England, UK) |
| OLN➣Operator License Number |