MDS

MDS or M.D.S. may refer to:

 MDS Inc., healthcare company
 MDS America, a global telecommunications company
 Mennonite Disaster Service, a disaster relief volunteer group
 Meridian Southern Railway
 Microwave Data Systems, a wireless modem company
 MDS Gateways, a telecommunications company, Ireland
 MDS 2400, a computer
 Myelodysplastic syndrome
 Mitochondrial DNA depletion syndrome, a rare genetic disease
 Miller-Dieker syndrome, a neurological disorder
 Master of Dental Surgery
 MDs (TV series)