thumb|right|A vast [[strip mine in the Singrauli Coalfield]]

A coalfield is an area of certain uniform characteristics where coal is mined. The criteria for determining the approximate boundary of a coalfield are geographical and cultural, in addition to geological. A coalfield often groups the seams of coal, railroad companies, cultural groups, and watersheds and other geographical considerations. At one time the coalfield designation was an important category in business and industrial discussions. The terminology declined into unimportance as the 20th century progressed, and was probably only referred to by a few small railroads and history buffs by the 1980s. Renewed interest in industrial heritage and coal mining history has brought the old names of the coalfields before a larger audience.

Australia

New South Wales

  • Gunnedah Basin coalfields
  • Hunter Valley coalfields
  • South Maitland coalfields
  • Sydney Basin coalfields

Queensland

  • Bowen Basin coalfields
  • Galilee Basin coalfields
  • Surat Basin coalfields
  • Walloon coalfields

Victoria

  • Latrobe Valley coalfields

Western Australia

  • Collie coalfields

Belgium

  • Borinage Coalfield (Middle Ages – 1973)
  • Campine Coalfield (1917–1992)
  • Centre Coalfield (Middle Ages – 1973)
  • Charleroi Coalfield (Middle Ages – 1984)
  • Liege Coalfield (Middle Ages – 1980)

Canada

  • Ardley coalfield
  • Beersville Coalfield
  • Carbon-Thompson coalfield
  • Comox Coalfield
  • Crowsnest coalfield
  • Cypress Coalfield
  • Daly-Weaver coalfield
  • Dominion coalfield
  • Drumheller coalfield
  • East Kootenay coalfield
  • Elk Valley Coalfield
  • Estevan Coalfield
  • Flathead Coalfield
  • Gething coalfield
  • Hat Creek Coalfield
  • Howley Coalfield
  • Inverness Coalfield
  • Joggins River Herbert Coalfield
  • Lethbridge coalfield
  • Mabou Coalfield
  • MacKay coalfield
  • Mannville coalfield
  • Merritt Coalfield
  • Minto Coalfield
  • Nanaimo Coalfield
  • Onakawana Coalfield
  • Peace River coalfield
  • Pictou Coalfield
  • Princeton Coalfield
  • St. George Coalfield
  • St Rose-Chimney Corner Coalfield
  • Spring Hill Coalfield
  • Sydney Coalfield
  • Taber coalfield
  • Tulameen Coalfield
  • Willow Bunch Coalfield
  • Wood Mountain Coalfield

thumb|Coalfields of Germany, Belgium, the Netherlands and Northern France

Chile

  • Curanilahue Coalfield, Curanilahue, Bío Bío Region
  • Boca Lebu Coalfield, Lebu, Bío Bío Region
  • Lirquén Coalfield, Penco, Bío Bío Region
  • Loreto Coalfield, Punta Arenas, Magallanes Region
  • Lota Coalfield, Lota, Bío Bío Region
  • Mulpún Coalfield, Mafil, Los Ríos Region
  • Puchoco Coalfield, Coronel, Bío Bío Region

China

  • Juye coalfield
  • Sha'er Lake coalfield
  • Zhunggar coalfield

Colombia

Colombia has the largest coal reserves in Latin America and is a major exporter.

  • Cerrejón, in La Guajira
  • Guajira coalfield

France

  • Aumance Coalfield
  • Blanzy Coalfield
  • Brassac Coalfield
  • Carmaux Coalfield
  • Champagnac Coalfield
  • Dauphiné Coalfield
  • Decazeville Coalfield
  • Epinac Coalfield
  • Gard Coalfield
  • Hérault Coalfield
  • Loire Coalfield
  • Lorraine Coalfield (1820–2004)
  • La Machine Coalfield
  • Messeix Coalfield
  • Nord-Pas-de-Calais Coalfield (1852–1990)
  • Provence Coalfield
  • St Eloi Coalfield

Germany

  • Aachen Coalfield

:*Erkelenz Coalfield (1914–1997)

:*Inde Coalfield (Middle Ages – 1944)

:*Wurm Coalfield (Middle Ages – 1992)

  • Ibbenbüren Coalfield (Middle Ages – 2018)
  • Lugau-Oelsnitz Coalfield (1844–1971)
  • Ruhr Coalfield (Middle Ages – 2018)
  • Saar Coalfield (Middle Ages – 2012)
  • Zwickau Coalfield (Middle Ages – 1979)

Great Britain

thumb|alt=Map of 19th-century coalfields in Great Britain

England

  • Bristol Coalfield
  • Cheadle Coalfield
  • Clee Hills Coalfield
  • Coalbrookdale Coalfield
  • Cumberland Coalfield
  • Durham Coalfield
  • East Staffordshire Coalfield
  • Forest of Dean Coalfield
  • Ingleton Coalfield
  • Kent Coalfield
  • Lancashire Coalfield

:*Burnley Coalfield

:*South Lancashire Coalfield

::*Cheshire Coalfield

::*Manchester Coalfield

::*Oldham Coalfield

::*St Helens Coalfield

::*Wigan Coalfield

  • Leicestershire and South Derbyshire Coalfield
  • Midgeholme Coalfield
  • Newent Coalfield
  • Oxfordshire-Berkshire Coalfield
  • North Staffordshire Coalfield
  • Northumberland Coalfield
  • Nottinghamshire and Derbyshire Coalfield
  • Oswestry Coalfield
  • Shrewsbury Coalfield
  • Shropshire Coalfield
  • Somerset Coalfield
  • South Staffordshire Coalfield
  • Cannock Chase Coalfield
  • Warwickshire Coalfield
  • Wyre Forest Coalfield
  • Yorkshire Coalfield

:*South Yorkshire Coalfield

Scotland

  • Ayrshire Coalfield

:*Central Ayrshire Coalfield

:*South Ayrshire Coalfield

  • Brora Coalfield
  • Canonbie Coalfield
  • Central Coalfield
  • Clackmannan Coalfield
  • Dailly Coalfield
  • Douglas Coalfield
  • Fife Coalfield

:*Central Fife Coalfield

:*East Fife Coalfield

:*West Fife Coalfield

  • Lanarkshire Coalfield
  • Lothians Coalfield
  • Machrihanish Coalfield
  • Midlothian Coalfield
  • Northeast Stirlingshire Coalfield
  • Sanquhar Coalfield
  • Scremerston Coalfield

Wales

  • Anglesey Coalfield
  • North Wales Coalfield

:*Denbighshire Coalfield

:*Flintshire Coalfield

  • Pembrokeshire Coalfield
  • South Wales Coalfield

India

  • Chirimiri Coalfield
  • Daltonganj Coalfield
  • Delhi-Jaipur Coalfield
  • Deoghar Coalfield
  • East Bokaro Coalfield
  • Ib Valley Coalfield
  • Jharia Coalfield
  • Jhilimili Coalfield
  • Kamptee Coalfield
  • Korba Coalfield
  • Makum Coalfield
  • Mand Raigarh Coalfield
  • Namchik-Namphuk Coalfield
  • North Karanpura Coalfield
  • Pench Kanhan Coalfield
  • Rajmahal coalfield
  • Ramgarh Coalfield
  • Raniganj Coalfield
  • Singrauli Coalfield
  • Singareni Coalfield
  • Sohagpur Coalfield
  • South Eastern Coalfields
  • South Karanpura Coalfield
  • Talcher Coalfield
  • Umaria Coalfield
  • Wardha Valley Coalfield
  • West Bokaro Coalfield

Japan

Hokkaidō

  • Ishikari coalfield
  • Kayanuma coalfield
  • Kushiro coalfield
  • Rumoi coalfield
  • Tenpoku coalfield

Honshū

  • Jōban coalfield
  • Omine coalfield
  • Ube coalfield

Kyūshū

  • Amakusa coalfield
  • Chikuhō coalfield
  • Miike coalfield
  • Nishisonogi coalfield

The Netherlands

  • Limburg Coalfield (Middle Ages – 1974)
  • Peel Coalfield (1955–1962)

New Zealand

  • Ashers-Waituna coalfield
  • Rotowaro
  • Stockton

Pakistan

  • Thar Coalfield

Poland

  • Lower Silesia Coalfield
  • Lublin Coalfield
  • Upper Silesian Coal Basin

Russia

  • Ulug-Khem coal basin

South Africa

  • Ermelo Coalfield
  • Witbank Coalfield