Hostage
Geiseler is the family name of the following people:
- Eduard Ferdinand Geiseler (1781–1837), German doctor and botanist
- Gerhard Geiseler (1915–1999), German physical chemist
- Hermann Geiseler (1903–1978), German landscape painter
- Roberto Geiseler (* 1992), German ice hockey player
- Wilhelm Geiseler (1847 / 48–1891), German captain
- Wolfgang Geiseler (1914–2002), German physicist, musicologist and critic
