Louth

Louth may refer to:

Australia

 * Hundred of Louth, a cadastral unit in South Australia
 * Louth, New South Wales, a town
 * Louth Bay, a bay in South Australia
 * Louth Bay, South Australia, a town and locality

Canada

 * Louth, Ontario

Ireland

 * County Louth, Ireland
 * Louth GAA, a Gaelic games association
 * Louth county football team
 * Louth, County Louth, a village in the heart of the county Louth
 * County Louth Historic Names, Listing of historically documented names for Louth, village & county
 * County Louth (Parliament of Ireland constituency) (1692–1801)
 * County Louth (UK Parliament constituency) (1801–1885, 1918–1922), Ireland
 * North Louth (UK Parliament constituency) (1885–1918)
 * South Louth (UK Parliament constituency) (1885–1918)
 * Louth (Dáil constituency), Ireland

United Kingdom

 * Louth, Lincolnshire, England
 * Louth, Lincolnshire (UK Parliament constituency) (1885–1983), in England

Other

 * Louth (crater), a crater on Mars