E7, E07, E-7 or E7 may refer to:

Science and engineering E7 liquid crystal mixture E7 (mathematics), an exceptional Lie group, or its Lie algebra E7 polytope, in geometry E7 papillomavirus protein E7 European long distance path

Transport EMD E7, a diesel locomotive European route E07, an international road Peugeot E7, a hackney cab PRR E7, a steam locomotive Carbon Motors E7, a police car E7 series, a Japanese high-speed train Nihonkai-Tōhoku Expressway and Akita Expressway (between Kawabe JCT and Kosaka JCT), route E7 in Japan Cheras–Kajang Expressway, route E7 in Malaysia Foton Smart Smurf E7, a Chinese battery electric van

Other uses Boeing E-7, either: Boeing E-7 ARIA, the original designation assigned by the United States Air Force under the Mission Designation System to the EC-18B Advanced Range Instrumentation Aircraft. Boeing E-7 Wedgetail, the designation assigned by the Royal Australian Air Force to the Boeing 737 AEW&C (airborne early warning and control) aircraft. Economy 7, an electricity tariff E-7 enlisted rank in the military of the United States E7, a musical note in the seventh octave E-7, the original designation for the EC-18 ARIA electronic warfare aircraft E7, a postcode district in the E postcode area for east London European Aviation Air Charter, by IATA airline designator Nokia E7, a smart phone Samsung Galaxy E7, a smart phone E07, a number station allegedly used by Russia, and nicknamed "The English Man" Eureka Seven

See also 7E (disambiguation)