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