Hospital may refer to:

• Angel of Mercy Hospital, where flash-sideways Claire has an ultrasound
• Choogdong Hospital, where Sun's daughter was born
• St. Sebastian Hospital, Jack's hospital in Los Angeles
• St. Francis Hospital, where Kate visits her mother in Iowa
• Santa Rosa Mental Health Institute, the mental hospital that Hurley stayed in in Los Angeles
• The Staff, one of the stations on the the Island
• The surgery in The Hydra
• Miami Central University Medical Research Laboratory
• Marina Medical Center Long Beach, where Desmond was treated for his belly wound
• The hospital in the episode "Special", where Michael recovers from being hit by an automobile, probably in New York
• The Manhattan Springs Hospital, where Michael was treated after his suicide attempt. ("Meet Kevin Johnson")
• The California hospital where Locke donates his kidney
• The UK hospital where Charlie sees his niece, Megan Pace
• The institution employing Dr. Ian McVay, who performed the autopsy on Charlotte Malkin

Hospitals referenced in The Lost Experience include:

• Numerous Hanso-run facilities related to organ donation and harvesting.
• An unnamed hospital in Madrid where Alvar Hanso was given emergency treatment after a collapse by a physician named Eliza Vasquez.
• Numerous Hanso hospitals in Africa, including in Cape Town, Banjul (Makerere Hospital), Somalia (Mogadishu Hospital), Ethiopia, and Guinea (Conakry Hospital).
• A Louisiana hospital mentioned by Janelle Granger
• The Alvar Hanso Cancer Center in Geneva, where Peter Thompson's inoperable cancer was treated.
• Sanremo Mercy Memorial Hospital in Italy, where Thomas Mittelwerk received vaccinations and a full blood transfusion, under the auspices of the Alvar Hanso Center for Advanced Medical Sciences.
• The Vik Institute in Iceland, a mental health facility being used secretly for research into solving the Valenzetti equation.