Keyser
- Abraham Keyser, Jr.
- Adelaide Metcalfe
- Afrikaans
- Agnes Keyser
- Andre Keyser
- Brenda Keyser
- Brian Keyser
- Cassius Jackson Keyser
- Charles Edward Keyser
- Charles Keyser
- Charles L. Keyser
- Chris Keyser
- Christian Keyser
- Christopher Keyser
- De Keyser
- Donald Keyser
- Dutch language
- Ephraim Keyser
- Erich Keyser
- Ernest Wise Keyser
- F. Ray Keyser, Jr.
- F. Ray Keyser, Sr.
- Gerard Keyser
- Harriette A. Keyser
- Jacques Keyser
- Johan Michael Keyser
- Kaiser (disambiguation)
- Kaiser (surname)
- Keijzer
- Keizer (disambiguation)
- Keyser Creek
- Keyser Formation
- Keyser Söze
- Keyser Township, DeKalb County, Indiana
- Keyser, West Virginia
- Kyser
- Louisa Keyser
- Norwegian language
- Peter Dirck Keyser
- Pieter Dirkszoon Keyser
- Ragnhild Keyser
- Ralph S. Keyser
- Rosy Keyser
- Rudolf Keyser
- Samuel Jay Keyser
- William Keyser