Waterloo

Waterloo most commonly refers to:
 * Battle of Waterloo, 1815 battle where Napoleon's French army was defeated by Anglo-allied and Prussian forces
 * Waterloo, Belgium

Waterloo may also refer to:

Australia

 * Waterloo, New South Wales
 * Waterloo, Queensland
 * Waterloo, South Australia
 * Waterloo Bay, now Elliston, South Australia
 * Waterloo, Victoria
 * Waterloo, Western Australia

Canada

 * Waterloo, Nova Scotia
 * Regional Municipality of Waterloo, a region in Ontario
 * Waterloo, Ontario, a city
 * Waterloo (federal electoral district)
 * Waterloo (provincial electoral district)
 * Waterloo County, Ontario (1853–1973)
 * Waterloo, Quebec

England

 * Waterloo, Dorset, England, a suburb of Poole
 * Waterloo, Huddersfield, England, a suburb
 * Waterloo, London, England, area round Waterloo Station
 * Waterloo Place, London, a street in the St James's area
 * Waterloo, Merseyside, England
 * Waterloo (UK Parliament constituency)
 * Waterloo, Whixall, Shropshire, England
 * Waterlooville, known earlier as Waterloo, Hampshire, England, a town

Scotland

 * Waterloo, North Lanarkshire, Scotland
 * Waterloo, Perth and Kinross, Scotland

Northern Ireland

 * Waterloo Bay, Northern Ireland

Wales

 * Waterloo, Caerphilly, Wales

United States

 * Waterloo, Alabama
 * Waterloo, California
 * Waterloo, Georgia
 * Waterloo, Illinois
 * Waterloo Historic District, listed on the National Register of Historic Places (NRHP)
 * Waterloo, Indiana, in DeKalb County
 * Waterloo, Fayette County, Indiana
 * Waterloo, Johnson County, Indiana
 * Waterloo, Iowa
 * Waterloo, Kansas
 * Waterloo, Louisiana
 * Waterloo, Maryland
 * Waterloo (Princess Anne, Maryland), a historic home
 * Waterloo State Recreation Area, in Michigan
 * Waterloo, Clark County, Missouri, an unincorporated community
 * Waterloo, Lafayette County, Missouri, an unincorporated community
 * Waterloo, Montana
 * Waterloo, Nebraska
 * Waterloo Historic District (Warner, New Hampshire)
 * Waterloo, Monmouth County, New Jersey
 * Waterloo Village, New Jersey
 * Waterloo (town), New York
 * Waterloo (village), New York
 * Waterloo (Albertson, North Carolina), a historic plantation house
 * Waterloo, Ohio
 * Waterloo, Oregon
 * Waterloo, South Carolina
 * Waterloo, Texas (former name for Austin, Texas)
 * Waterloo, Clarke County, Virginia
 * Waterloo, Culpeper County, Virginia
 * Waterloo, Fauquier County, Virginia
 * Waterloo, New Kent County, Virginia
 * Waterloo, West Virginia
 * Waterloo, Grant County, Wisconsin, a town
 * Waterloo, Jefferson County, Wisconsin, a town
 * Waterloo, Wisconsin, a city within the town
 * Waterloo Downtown Historic District (Waterloo, Wisconsin)

Elsewhere

 * King George Island (South Shetland Islands), Antarctica, known in Russian as Ватерло́о ('Vaterloo')
 * Waterloo Road, Hong Kong, a road in Kowloon, Hong Kong
 * Waterloo, New Zealand
 * Waterloo, Sierra Leone
 * Waterloo, Suriname

Film and television

 * Waterloo (1929 film), a German silent film
 * Waterloo (1970 film), an epic period war drama
 * "Waterloo" (Mad Men), an episode of Mad Men

Music

 * Waterloo & Robinson, an Austrian band
 * Waterloo Music Company, a Canadian music publishing and musical instrument retailing firm
 * Waterloo Records, an independent music store in Austin, Texas
 * Waterloo (album), by ABBA, 1974
 * "Waterloo" (ABBA song), Eurovision winner in 1974
 * "Waterloo" (Stonewall Jackson song), 1959
 * "Waterloo", a song by IcedEarth from the 2004 album The Glorious Burden

Other uses in arts and entertainment

 * Waterloo (video game), a 1989 strategic computer game
 * Waterloo (blog post), a 2010 online commentary by David Frum about the Affordable Care Act
 * Waterloo: The History of Four Days, Three Armies and Three Battles, a 2014 history book by Bernard Cornwell

Transportation

 * Waterloo Airport (disambiguation)
 * Waterloo station (disambiguation)
 * Waterloo (ship), the name of several ships
 * HMS Waterloo, the name of several ships of the Royal Navy

Other uses

 * Waterloo Chamber, Windsor Castle
 * Waterloo (horse) (foaled 1969), a British thoroughbred racehorse
 * Waterloo cheese, a British cheese
 * Waterloo Cup, an English coursing event 1836–2005
 * Waterloo F.C., an English rugby union team
 * Waterloo Gasoline Engine Company, a former American tractor maker
 * Waterloo Hydrogeologic, a former software and consulting company
 * University of Waterloo, in Ontario, Canada

Waterloo Town Hall

 * Waterloo Town Hall, Merseyside, England
 * Waterloo Town Hall, Sydney, New South Wales, Australia