| Acronym | Definition |
|---|
| GRO➣General Register Office (UK) |
| GRO➣Guerrero (Estado de México) |
| GRO➣Graduate Research Opportunity (various schools) |
| GRO➣Generic Receive Offload (computing) |
| GRO➣Ghost Recon Online |
| GRO➣Granular Restore Option (software) |
| GRO➣Global Run-On (microbiology) |
| GRO➣Gamma Ray Observatory |
| GRO➣Greensboro, North Carolina (Amtrak station code) |
| GRO➣Graduate Recruitment Opportunity (Georgia) |
| GRO➣Glamorgan Record Office (UK) |
| GRO➣Growth-Related Oncogene |
| GRO➣Gallery Route One (California) |
| GRO➣Guest Relations Officer |
| GRO➣Greater Research Opportunities |
| GRO➣Grass Roots Organizing |
| GRO➣Groundfish (FAO fish species code) |
| GRO➣General Routine Order |
| GRO➣Government Relations Office |
| GRO➣Gerona, Spain - Costa Brava (Airport Code) |
| GRO➣Gasoline Range Organic |
| GRO➣Gateway Research Organization |
| GRO➣Growth Rate Operator |
| GRO➣Grimaldi Robotic Observatory |
| GRO➣Gardening and Resident Outreach (South Hadley, MA) |