Haymarket may refer to:
Places
Australia Haymarket, New South Wales, area of Sydney, Australia
Germany Heumarkt (KVB), transport interchange in Cologne on the site of the Heumarkt (literally: hay market)
Poland Hay Market Square (Szczecin), an urban square in Szczecin, Poland
Russia Sennaya Square (Hay Square), Saint Petersburg
Sweden Hötorget, or Haymarket, city square in the center of Stockholm
United Kingdom Haymarket, London, a street in Westminster, London Theatre Royal Haymarket, theatre in London Haymarket, Newcastle, area in Newcastle upon Tyne Haymarket bus station, Newcastle upon Tyne, bus station in Newcastle upon Tyne Haymarket Metro station, Metro station in Newcastle upon Tyne Haymarket, Sheffield, a street in Yorkshire Haymarket, Edinburgh, area of Edinburgh Haymarket railway station, railway station in Edinburgh Haymarket Shopping Centre, shopping centre in Leicester Leicester Haymarket Theatre, theatre in Leicester Haymarket bus station, Leicester, the main bus station for Leicester
United States Haymarket, Virginia, town in Prince William County, Virginia Haymarket Square (Boston), a city square in Boston, Massachusetts Haymarket - Boston, an open-air market several blocks from the historic square Haymarket (MBTA station), a metro station in Boston Haymarket Theatre, theatre in Boston Haymarket Square (Chicago), a commercial area in Chicago, Illinois Haymarket (Louisville), former outdoor farmer's market in Louisville, Kentucky Haymarket District (Lincoln, Nebraska), historic area in Lincoln, Nebraska
Others Haymarket affair, 1886 incident at Haymarket Square in Chicago, Illinois Haymarket Books, non-profit publisher of left-wing literature in the United States Haymarket Media Group, a global media company