E6

E6, E06, E.VI or E-6 may refer to:

Science and technology

• E6 series (number series), of preferred numbers for electronic components
• E6 (mathematics), a Lie group in mathematics
• E₆ polytope, in geometry
• Thyroiditis (ICD-10 code: E06)
• E-6 process, a common photographic process for developing transparency film
• E6 protein, a protein encoded by Human papillomavirus
• Honda E6, one of the predecessors of Honda's ASIMO robot
• Motorola ROKR E6, a 2006 multimedia phone model
• Nokia E6, a smartphone

Transport

Rail

• EMD E6, a diesel locomotive
• LNER Class E6, a class of British steam locomotives
• PRR E6, an American steam locomotive
• LB&SCR E6 class, a British steam locomotive
• E6 Series Shinkansen, a Japanese high-speed train

Road

• European route E6, a European highway route
• London Buses route E6, a Transport for London contracted bus route
• North–South Expressway Central Link, route E6 in Malaysia
• NAIA Expressway, route E6 in the Philippines
• Jōban Expressway, Sendai-Tōbu Road, Sanriku Expressway (between Sendaiko-kita IC and Rifu JCT) and Sendai-Hokubu Road, the E6 expressway in Japan
• BYD e6, an electric car by BYD Auto

Aviation

• Eurowings Europe (IATA code: E6), a Maltese airline subsidiary of Lufthansa
• E-6 Mercury, a US Navy derivative of the Boeing 707
• Eggenfellner E6, an American aircraft engine design
• Pfalz E.VI, a World War I German aircraft

Other transport

• E6 European long distance path, a long-distance hiking trail

Music

• Electric Six, a Detroit rock band
• E6, the first note of the whistle register
• "E6", a song by Norwegian band D.D.E. The song title is a reference to the European route E6.
• Elephant 6, a collective of independent American musicians
• E6, the first note of Runaway (Kanye West song)

Other uses

• E6, a London postcode district in the E postcode area
• E6, an error by the Shortstop in baseball
• E-6 (rank), the sixth rank of enlisted soldier in the US armed services
• E6 grade, of difficulty in rock climbing
• E6 (short for Epic 6), a variant of Dungeons & Dragons v3.5