E15, E-15, E.15 or E 15 may refer to: Places European route E15 E15, a district in the London, England E postcode area E15, a numeronym for the Eyjafjallajökull volcano in Iceland E15, the MIT Media Lab building Monzen-Nakachō Station of the Toei Subway (station number T-12/E-15) Butterworth–Kulim Expressway, route E15 in Malaysia

Technology HMS E15, a World War I-era United Kingdom Royal Navy submarine E15 fuel E15, a model rocket motor classification E15 (software), a scriptable OpenGL interface to web content General Electric E-15, an Elec-Trak electric tractor

Other uses E15 (newspaper), Czech business daily E 15: 1015, see Peta- E -15: 10−15, see femto- Queen's Indian Defense (Encyclopaedia of Chess Openings code)