| Acronym | Definition |
|---|
| MERLIN | Medical Emergency Relief International (UK) |
| MERLIN | Media Rich Learning Infrastructure |
| MERLIN | Methane Remote Sensing Lidar Mission (French-German micro satellite mission) |
| MERLIN | Multi-Element Radio-Linked Interferometer Network (UK) |
| MERLIN | Mechanized Reasoning about Languages with Variable Binding (ICPF Workshop) |
| MERLIN | Mail Evaluation Readability Lookup Instrument (US Postal Service) |
| MERLIN | Montana Enhanced Registration and Licensing Information Network |
| MERLIN | Multi-Echelon Resource & Logistics Information Network |
| MERLIN | SSBN Communications Project |