Newcastle

Newcastle usually refers to:
 * Newcastle upon Tyne, a city and metropolitan borough in Tyne and Wear, England, United Kingdom
 * Newcastle-under-Lyme, a town in Staffordshire, England, United Kingdom
 * Newcastle, New South Wales, a metropolitan area in New South Wales, Australia, named after Newcastle upon Tyne

Newcastle, New Castle or New Cassel may also refer to:

Australia

 * City of Newcastle, a local government area in New South Wales
 * County of Newcastle, a cadastral unit in South Australia
 * Division of Newcastle, a federal electoral division in New South Wales
 * Electoral district of Newcastle, an electoral district of the New South Wales Legislative Assembly
 * Electoral district of Newcastle (South Australia) 1884–1902, 1915–1956 in the South Australian House of Assembly
 * Newcastle, New South Wales, a city in New South Wales
 * Newcastle Waters, a town and locality in the Northern Territory
 * Newcastle West, New South Wales, inner suburb of the city
 * Toodyay, Western Australia, known as Newcastle until 1910

Canada

 * Newcastle, Alberta, a former village now within the Town of Drumheller
 * Newcastle, New Brunswick, a former town, now part of Miramichi
 * Newcastle, Ontario, a community in the Municipality of Clarington in Durham Region
 * Newcastle District, a historic district in Upper Canada which existed until 1849
 * Newcastle Parish, New Brunswick
 * Newcastle (electoral district), a provincial electoral district in the Canadian province of British Columbia

Republic of Ireland

 * Newcastle, Clonfad, a townland in Clonfad civil parish, barony of Fartullagh, County Westmeath
 * Newcastle, County Tipperary
 * Newcastle, County Wicklow
 * Newcastle, Dublin
 * Newcastle, Kilcleagh, a townland in Kilcleagh civil parish, barony of Clonlonan, County Westmeath
 * Newcastle, Lickbla, a townland in Lickbla civil parish, barony of Fore, County Westmeath
 * Newcastle West, County Limerick

Jamaica

 * Newcastle, Jamaica

Saint Kitts and Nevis

 * Newcastle, Saint Kitts and Nevis

South Africa

 * Newcastle, KwaZulu-Natal, a city in northern KwaZulu-Natal
 * Newcastle Local Municipality, administrative area in the Amajuba district in KwaZulu-Natal

England

 * Newcastle, Shropshire (Newcastle on Clun), a village (and parish) in south Shropshire
 * Newcastle-under-Lyme, the principal town of the Borough of Newcastle-under-Lyme, Staffordshire
 * Borough of Newcastle-under-Lyme, a local government district with borough status in Staffordshire
 * Newcastle-under-Lyme (UK Parliament constituency), a constituency represented in the House of Commons
 * Newcastle-under-Lyme Rural District, a rural district in the county of Staffordshire
 * Newcastle upon Tyne, a city in Tyne and Wear
 * Newcastle City Centre, the central business district of Newcastle upon Tyne
 * Newcastle upon Tyne Central (UK Parliament constituency), a constituency represented in the House of Commons
 * Newcastle-upon-Tyne (UK Parliament constituency), a former borough constituency in the county of Northumberland

Northern Ireland

 * Newcastle, County Down, a small town in County Down lying at the foot of the Mourne Mountains an area of outstanding natural beauty.

Wales

 * Newcastle, Monmouthshire
 * Newcastle, Bridgend, an area and electoral ward
 * Newcastle Emlyn, Carmarthenshire

United States

 * New Castle, Alabama, an unincorporated community in Jefferson County
 * Newcastle, California, an unincorporated town in Placer County
 * New Castle, Colorado, a home rule municipality in Garfield County
 * New Castle, Delaware, a city in New Castle County
 * New Castle County, Delaware, the northernmost of the three counties
 * New Castle Hundred, an unincorporated subdivision of New Castle County, Delaware
 * New Castle, Indiana, a city in Henry County
 * Webster City, Iowa, formerly Newcastle, county seat of Hamilton County
 * New Castle, Kentucky, a city in Henry County
 * Newcastle, Maine, a town in Lincoln County
 * Newcastle (CDP), Maine, the main village in the town
 * Newcastle, Nebraska, a village in Dixon County
 * Newcastle Township, Dixon County, Nebraska, a township in Dixon County
 * New Castle, New Hampshire, a town in Rockingham County
 * New Cassel, New York, an unincorporated place in Nassau County
 * New Castle, New York, a town in Westchester County
 * New Castle, Ohio, an unincorporated community in Belmont County
 * Newcastle, Ohio, an unincorporated community in Coshocton County
 * Newcastle Township, Coshocton County, Ohio, one of the twenty-two townships of Coshocton County
 * Newcastle, Oklahoma, the largest city in McClain County
 * New Castle, Pennsylvania, a city in Lawrence County
 * New Castle Northwest, Pennsylvania, a census-designated place in Lawrence County
 * New Castle Township, Pennsylvania, a township in Schuylkill County
 * South New Castle, Pennsylvania, a borough in Lawrence County
 * Newcastle, Texas, a city in Young County
 * Newcastle, Utah, an unincorporated community in southwestern Iron County
 * New Castle, Virginia, the only town in Craig County
 * Newcastle, Washington, a city in King County
 * New Cassel, Wisconsin, a former village in Fond du Lac County
 * Newcastle, Wyoming, a city located in Weston County

Arts and entertainment

 * Newcastle (film), a 2008 Australian film
 * Newcastle Publishing Company, a Southern California-based small trade paperback publisher
 * Newcastle, a playable character in the game Apex Legends

Buildings and facilities

 * Newcastle Castle, Bridgend, a medieval castle in Wales
 * New Castle Correctional Facility, a prison located in New Castle, Indiana
 * Newcastle International Sports Centre, a stadium in Newcastle, New South Wales
 * New Castle School of Trades, a technical trades school in Pulaski, Pennsylvania
 * New Palace (Stuttgart) (Das Neues Schloss, sometimes translated as the "New Castle"), a palace in Stuttgart, Germany

Football clubs

 * Newcastle Jets FC, an Australian association football club in Newcastle, NSW
 * Newcastle United F.C., an English association football club based in Newcastle upon Tyne
 * Newcastle Falcons, an English rugby union club based in Newcastle upon Tyne
 * Newcastle Knights, an Australian rugby league team based in Newcastle, New South Wales
 * Newcastle Thunder, an English rugby league club based in Newcastle upon Tyne

Other sporting uses

 * Newcastle Eagles, the most successful team in the history of the British Basketball League (BBL)
 * Newcastle International Sports Centre, a stadium in Newcastle, New South Wales

Air

 * Newcastle International Airport, airport of Newcastle-upon-Tyne, England
 * New Castle Airport, a public airport located in an unincorporated part of New Castle County, Delaware, United States

Rail

 * New Castle District, a railroad line owned and operated by the Norfolk Southern Railway in Ohio and Indiana, United States
 * Newcastle railway line, New South Wales, Australia, running from Broadmeadow

Watercraft

 * HMAS Newcastle, an Adelaide class frigate of the Royal Australian Navy
 * HMS Newcastle, a name given to eight ships of the British Royal Navy
 * Newcastle (clipper), 1857 English ship

Other uses

 * Duke of Newcastle, a title in the UK
 * Newcastle Brown Ale, a brand of beer produced by Heineken
 * Newcastle Building Society, a British financial institution
 * Newcastle disease, a highly contagious bird disease
 * Newcastle, an Athlon 64 computer processor core revision