E17

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, also known as E17
• 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, 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