E9 or E-9 may refer to:

Roads and trails

  • European route E09
  • European walking route E9
  • E9, the Besraya Expressway in Malaysia
  • Kyoto Jūkan Expressway, San'in Kinki Expressway and San'in Expressway, route E9 in Japan

Vehicles

  • BMW E9, a two-door coupé built for BMW by Karmann from 1968 to 1975
  • EMD E9, a diesel locomotive
  • E-9A Widget, U.S. Air Force range control aircraft

Other uses

  • E9 (countries) a forum of nine highly populated countries
  • E9 (Lie algebra) (E<sub>9</sub>), another name for the infinite dimensional affine Lie algebra
  • E9 tuning, a common tuning for steel guitar necks of more than six strings
  • E9, a baseball scorekeeping abbreviation for an error on the right fielder
  • E9, a postcode district in the E postcode area of the London postal district
  • Boston-Maine Airways IATA code
  • E-9, a U.S. uniformed services pay grade

See also

  • 9E (disambiguation)