E17 or E-17 may refer to:
*
Queen's Indian Defence, Encyclopaedia of Chess Openings code
*
European route E17, a road through Belgium and eastern France
*
East 17, a British pop group
*
Enlightenment (X window manager) release 17
* E17, a postcode district in the
E postcode area for east London
* ''
Ever 17: The Out of Infinity'', a Japanese video game
*
E17 screw
Edison screw (ES) is a standard lightbulb socket for electric light bulbs. It was developed by Thomas Edison (1847–1931), patented in 1881, and was licensed in 1909 under General Electric's Mazda trademark. The bulbs have right-hand threaded ...
, a type of Edison lightbulb screw
*
HMS ''E17'', a British submarine of World War I
*
Kan-etsu Expressway, route E17 in Japan
*
Butterworth Outer Ring Road, route E17 in Malaysia
{{Letter-NumberCombDisambig
ru:Enlightenment#Enlightenment DR17
