Sanitarium
Sanitarium is an alternative spelling of sanatorium. It may refer to:
 Sanatorium, a medical facility for long-term illness, often associated with treatment of tuberculosis before antibiotics
 Sanatorium (resort), a facility with spa and medical services, as known in Russia, Ukraine, and other former Soviet Union republics
Sanitarium, California, unincorporated community in Napa County
Battle Creek Sanitarium, resort made famous by John Harvey Kellogg
Sanitarium Health and Wellbeing Company, a major food company in Australia and New Zealand
Sanitarium (video game), a point-and-click adventure game released in 1998
"Welcome Home (Sanitarium)", a song by Metallica
The Sanitarium, a 1910 film starring Fatty Arbuckle
Sanitarium (film), a 2013 horror anthology film