E66
E66 or E 66 may refer to:
- Obesity, severe obesity according to the ICD -10 code
- BMW E66, a car model
- European Route 66, a highway of Brixen in Italy after Székesfehérvár in Hungary
- Nokia E66, a mobile telephone
- Enercon E-66 wind turbine of Enercon (from 1995 and 2005 were 2478 plants installed ) with 1.5 to 2.0 MW
- Disambiguation
- Abbreviation