A garrison is a unit of troops or its headquarters.

Garrison can also refer to:

People Garrison (name) Herbert Garrison, aka Mr./Mrs. Garrison, teacher from the television program South Park William Lloyd Garrison, an American journalist and abolitionist

Place names Australia Garrison Point, Sydney Barbados The Garrison (see Garrison Historic Area), a military post Canada Garrison Creek (Ontario), Toronto Northern Ireland Garrison, County Fermanagh, a village United States Garrison Channel, Tampa, Florida Garrison, Iowa, a city Garrison, Kentucky, an unincorporated community and census-designated place Garrison, Maryland, a census-designated place Garrison Township, Crow Wing County, Minnesota Garrison, Minnesota, a small city within the township Garrison, Missouri, an unincorporated community Garrison, Montana, a census-designated place Garrison, Nebraska, a village Garrison, New York, a hamlet across the Hudson River from the U.S. Military Academy at West Point Garrison, North Dakota, a small city Garrison Dam, North Dakota, directly south of the city of Garrison Garrison, Texas, a city Garrison, Utah, an unincorporated community

Stations Garrison station (Metro-North), a train station in New York state Garrison station (RTD), a light rail station in Colorado

Other uses Garrison (architecture), a type of house Garrison Library, Gibraltar Garrison Tower, Isles of Scilly Garrison (band), a post-hardcore band from Boston (1996–2004) Garrison cap, a foldable military cap