D series may refer to:
Devices
edit- SM-65D Atlas "Atlas D" ICBM
- Nikon digital single lens reflex cameras
Media
edit- QI (D series), the fourth series of the BBC TV quiz show QI
Vehicles
edit- Allis-Chalmers D Series, tractors
- Bedford D series, trucks
- Chevrolet Series D, trucks
- Dodge D series, pickup trucks
- Ford D series, trucks
- Group D Production Sports Cars, CAMS class of race car
- Honda D engine
- International Harvester light & medium duty trucks of the D Series - 1930s and International Harvester Light Line pickup, 1969–1975
- MCI D-Series motorcoaches built by Motor Coach Industries (MCI)
- SJ D, locomotives used by Statens Järnvägar (SJ) of Sweden
- Volkswagen Group D platform, Audi, Bentley, and Volkswagen chassis configuration
- D-series trains, the designation for high-speed long-distance trains in China less fast than the G-series (see Passenger rail transport in China#Classes)
Other
edit- Tool steel D series, high carbon-chromium