| OGT | O GlcNAc transferase
| Others |
| OGT | O-linked N-acetylglucosamine (GlcNAc) Transferase
| Others |
| OGT | O6 Guanine transferase
| Others |
| OGT | Oakwood Gospel Tabernacle
| Others |
| OGT | Oberthur Gaming Technologies
| Others |
| OGT | Obviously Gay Trait
| Others |
| OGT | Office of Greenways and Trails
| Others |
| OGT | Official Gazette of the United States Patent and Trademark Office
| Others |
| OGT | Ohio Graduation Test
| Others |
| OGT | Ohio Graduation Tests
| Others |
| OGT | Olivia Grace Thomas
| Others |
| OGT | On Going Training
| Others |
| OGT | One Good Tern gift shop
| Others |
| OGT | One Good Turn
| Others |
| OGT | Online Golf Tour
| Others |
| OGT | Operation Game Thief
| Others |
| OGT | Optimal Growth Temperature
| Others |
| OGT | Oral Glucose Tolerance
| Others |
| OGT | Organismos Geneticamente Transformados
| Others |
| OGT | Original Gangsta Tool
| Others |
| OGT | Original Gangster Tool
| Others |
| OGT | Orphan Grain Train
| Others |
| OGT | Oso Grande Technologies, Inc.
| Others |
| OGT | Outgoing Trunk
| Others |
| OGT | Outlander Gt
| Others |
| OGT | Overseas General Trading
| Others |
| OGT | Oxford Gene Technology
| Others |