Geisinger may refer to:
Organizations Geisinger Commonwealth School of Medicine, a private medical school in Pennsylvania Geisinger Health System, Pennsylvania based healthcare system
Places Geisinger Holy Spirit, a hospital in Camp Hill, Pennsylvania Geisinger Medical Center, a hospital in Danville, Pennsylvania
People Geisinger is a surname. Notable people with the surname include:
Abigail Geisinger (both 1827), founder of Geisinger Medical Center Alex Geisinger (born 1992), American disc golfer David Geisinger (1790–1860), United States Navy officer Harry Geisinger (1933–2015), American politician Joseph Geisinger, American sound engineer Justin Geisinger (born 1982), American football player