| Acronym | Definition |
|---|
| OPML➣Outline Processor Markup Language (XML-based format for exchange of outline-structured information) |
| OPML➣Outline Processor Markup Language |
| OPML➣Operation Model |
| OPML➣Office of Patented Medicines Liaison (Health Canada) |
| OPML➣Oxford Pain Management Library (Oxford University Press) |