| OGM | miss-spelling of OMG 
| Others |
| OGM | Oak Grove Middle
| Others |
| OGM | Object Graph Manager
| Others |
| OGM | Object Graph Mapper
| Others |
| OGM | Object Graph Mapping
| Others |
| OGM | Object Grid Mapper
| Others |
| OGM | Object Grid Mapping
| Others |
| OGM | Offering for Global Missions
| Others |
| OGM | Office of Grants Management
| Others |
| OGM | Ogg Media File
| Others |
| OGM | Oh God M8
| Others |
| OGM | Oh God Man
| Others |
| OGM | Oil and Gas Magazine
| Others |
| OGM | Oil Gas and Mining
| Others |
| OGM | Oil Gas Manager
| Others |
| OGM | Oil Gas Minerals
| Others |
| OGM | Olive Green Metallic
| Others |
| OGM | One Giant Meditation
| Others |
| OGM | Online Guide Manager
| Others |
| OGM | Ontonagon County Airport, Ontonagon, Michigan USA
| Others |
| OGM | Opel General Motors
| Others |
| OGM | Open Gaming Meet
| Others |
| OGM | Open General Meeting
| Others |
| OGM | Open Ground Members
| Others |
| OGM | Oracle Grants Management
| Others |
| OGM | Orange Gingham Man
| Others |
| OGM | Orca Green Marine
| Others |
| OGM | Ordinary General Meeting
| Others |
| OGM | Ordinary Ground Motion
| Others |
| OGM | Organic Growers of Michigan
| Others |
| OGM | Outdoor Gear Malaysia
| Others |
| OGM | Outgoing Message
| Others |