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)