- Kenya Scholars and Studies Association
- Kenyon Leech Butterfield
- Keochang International Festival of Theatre
- Keoladeo National Park
- Kepler
- Kepler conjecture
- Kepler crater
- Kepler element
- Kepler ellipse
- Kepler equation
- Kepler first law
- Kepler folium
- Keplerian disk
- Keplerian motion
- Keplerian orbit
- Keplerian region
- Keplerian rotation
- Keplerian shear
- Keplerian speed
- Keplerian telescope
- Keplerian velocity
- Kepler law
- Kepler laws
- Kepler mission
- Kepler monster