| GRAIL | GALEN Representation and Integration Language 
| Others |
| GRAIL | Gene Recognition and Analysis Internet Link
| Others |
| GRAIL | Gene Relationships Across Implicated Loci
| Others |
| GRAIL | Geographic Roadway Application For Information Location
| Others |
| GRAIL | Gravitational Radiation Antenna In Leiden
| Others |
| GRAIL | Gravity Recovery and Interior Laboratory
| Others |