MD (plural MDs)
- (US) Symbol indicating a medical degree; medical physician or doctor.
- (UK) Symbol indicating a higher research doctorate in medicine; Doctor of Medicine
- Managing director.
- Mini Disc.
Doctor of Medicine, GP, allopath, allopathist, attending physician, coroner, country doctor, croaker, doc, doctor, family doctor, general practitioner, house physician, intern, leech, medical, medical attendant, medical examiner, medical man, medical practitioner, medico, physician, physician in ordinary, resident, resident physician, sawbones
- M.D. (initialism)