S8

S8 can mean :
* S8 (Berlin), a S-Bahn line
* , a safety phrase in chemistry
* S8 postcode, covering areas of southern Sheffield
* Audi S8, a 1998 large luxury executive car
* British NVC community S8, a swamps and tall-herb fens community in the British National Vegetation Classification system
* County Route S8 (California)
* Prussian S 8, a 1913 steam locomotives class
* SIAI S.8, an 1917 Italian two-seat reconnaissance flying-boat
* USS S-8 (SS-113), a 1920 S-class submarine of the United States Navy
* a allotrope of sulfur
* a Rhein-Ruhr S-Bahn line
* a Rhine-Main S-Bahn line
* a Zürich S-Bahn line

S08 may refer to :
* S08 (Yamaha), a music synthetiser
* HMS Walrus (S08), a 1959 British Porpoise class submarine
* Freescale S08, a Freescale microcontroller