KE may refer to:
- Kappa Sigma
- the code for Kildare, Ireland
- Kinetic energy in physics
- Knowledge engineering in computer science and in cognitive science
- the country code for Kenya
- the Kenyan TLD, .ke
- an abbreviation for Cornell University co-ed a cappella singing group "The Key Elements"
- the IATA alpha code designator for Korean Air
- Košice, Slovakia
- an extended family studied for a genetic language impairment
Ke may refer to :
- Ke (unit), a traditional Chinese unit of decimal time lasting either 14.4 minutes or 15 minutes
- Ke (kana), the romanisation of the Japanese kana け and ケ; see also Small ke
- kē in Hanyu pinyin, written 柯 in Chinese
- Ke (surname), a transliteration of a common Chinese surname
- The Chinese name of Lithocarpus glaber, the Japanese oak, a tree species
- Ké, the stage name of New York singer/songwriter/actor Kevin Grivois
- Elimination rate constant, a value used in pharmacokinetics to calculate the rate at which drugs are removed from the system