MGD may stand for:
- Machine Generated Data, automatically generated data created without human intervention
- Magdalena Airport, IATA airport code for Magdalena Airport in the Beni Department of Bolivia
- Maharani Gayatri Devi Girls’ Public School, a school located in Jaipur, India
- meibomian gland disease or meibomian gland dysfunction
- Mean gestational sac diameter
- Miller Genuine Draft, a brand of beer produced by Miller Brewing Company
- Millions of gallons per day, a unit of flow measurement
- The station code of Guildford railway station, Perth, Australia
- Mungyodance, three rhythm games developed by Emphatic Gaming/Monakai/VULPvibe Entertainment.
- MOSFET Gate Driver, an IC used to control MOSFETs, especially in the "high side" configuration.