E8

E8 may refer to:

In mathematics:

• E₈, a Lie group in mathematics, an exceptional simple Lie group with root lattice of rank 8
• E₈ lattice, special lattice in R⁸
• E₈ manifold, mathematical object with no smooth structure or topological triangulation
• E₈ polytope, alternate name for the 4₂₁ semiregular (uniform) polytope

In physics:

• E₈ Theory, term sometimes loosely used to refer to An Exceptionally Simple Theory of Everything

In transport:

• E-8 Joint STARS, USAF command and control aircraft
• EMD E8, 1949 diesel passenger train locomotive
• European route E8, part of the international E-road network, running between Tromsø, Norway and Turku, Finland
• European walking route E8, a walking route from Ireland to Turkey
• HMS E8, 1912 British E class submarine
• London Buses route E8, runs between Ealing Broadway station and Brentford
• Mikoyan-Gurevich Ye-8, 1962 supersonic jet fighter developed in the Soviet Union
• E8, IATA code for the former Alpi Eagles airline
• Spyker E8, Spyker Cars model

Other uses:

• Empire 8, intercollegiate athletic conference affiliated with the NCAA's Division III
• E-8 (rank), an enlisted rank in the Military of the United States
• E8, baseball scorekeeping abbreviation for an error on the center fielder
• E8, postcode district in the London E postcode area

See also

• 8E (disambiguation)