MD

• M.D. (from Latin Medicinae Doctor) or Doctor of Medicine, a medical degree
• MD (Ayurveda), a medical degree in India
• MD (Homeopathy), a medical degree in India
• Ménière's disease, a disorder of the inner ear
• Muscular dystrophy, a group of diseases involving breakdown of skeletal muscles

• Moldova (ISO country code MD)
• Maryland (US postal abbreviation MD)
• Magdeburg (vehicle plate prefix MD), a city in Germany
• Mödling District (vehicle plate prefix MD), in Lower Austria, Austria

• Muhammad (name) or Mohammed (Md)

• {{lang|fr|Main droite}} or {{lang|it|mano destra}} (MD or m.d.; "right hand"), in piano scores
• Music director

• MDs (TV series), 2002
• {{lang|it|Materiali e discussioni per l'analisi dei testi classici}}, ("Materials and discussions for the analysis of classical texts"), an Italian journal
• Murder Drones, an Australian animated web series, 2021-2024

• Air Madagascar, IATA airline code
• McDonnell Douglas aircraft model prefix
• MD Helicopters

• .md, Internet top-level domain for Moldova
• Markdown (file extension .md), a format
• Microdrive, a type of miniature hard drive
• MiniDisc, a media format used to record and play audio and store data
• mkdir or md, "make directory" command
• Multiple device, as in Linux mdadm device driver
• Sega Genesis or Mega Drive, a video game console

• Mean absolute difference
• Mendelevium, symbol Md, a chemical element
• Mesoscale discussion in Storm Prediction Centers and Weather Prediction Centers
• Methyldichloroarsine, a chemical warfare agent
• Millidarcy (mD), a unit of fluid permeability
• Molecular dynamics
• Membrane distillation
• Earthquake duration magnitude ({{M|d}})

• MD, 1500 in Roman numerals
• Majority decision, in full-contact combat sports
• Managing director, of a company
• Marque déposée or trademark in Canada in Unicode subscripts and superscripts
• Match Director in International Practical Shooting Confederation match
• Military districts of Russia, sometimes abbreviated as MD
• Mandal, an administrative sub division (third-tier) in India
• MDMA, sometimes abbreviated as MD

{{disambiguation}}