| Acronym | Definition |
|---|
| MEO➣Medium-Earth Orbit |
| MEO➣Medical Education Online |
| MEO➣Marine Engineer Officer |
| MEO➣My Eyes Only (software) |
| MEO➣Middle Earth Orbit |
| MEO➣Military Equal Opportunity |
| MEO➣Most Efficient Organization |
| MEO➣Marketing Executive Officer (various companies) |
| MEO➣Meteoroid Environment Office (US NASA) |
| MEO➣Mediated Electrochemical Oxidation |
| MEO➣Middle Earth Online (game) |
| MEO➣Marine Enforcement Officer |
| MEO➣Middle East Operations (corporate position) |
| MEO➣Major Engine Overhaul |
| MEO➣My Expert Opinion |
| MEO➣Middle Ear Obliteration |
| MEO➣Multiple Equipment Order |
| MEO➣Mars Environmental Observer |
| MEO➣Middle East Observatory (Montreal, Canada) |
| MEO➣Marine Engineering Operations |
| MEO➣Montreal Earth Observatory (Canada) |
| MEO➣Maintenance Engineering Order |
| MEO➣Maximum Eye Opening |
| MEO➣Maintenance Engineering Operations (AMSEC) |
| MEO➣Mass in Earth Orbit |
| MEO➣Mental Exchange Organization |
| MEO➣Medium Elliptical Orbit |
| MEO➣Marine Emergency Organisation |
| MEO➣Major Equipment Operator |
| MEO➣Motive Equipment Operator |
| MEO➣Manned Earth Orbit |
| MEO➣Momentary Engine Overspeed |
| MEO➣Mechanical Equipment Operator |
| MEO➣Manned Extra-vehicular Operation |