List of former counties of Quebec
Historical counties and territories in Quebec, Canada, and their county seats are listed below. The list is alphabetized by county, but can also be alphabetized by seat.
In terms of internal division, there are four types of counties:
- Those that contain only townships, as do counties surveyed by the British after 1763.
- Those that contain only parishes, as do counties chiefly in the Saint Lawrence Valley settled by French colonists before 1761.
- Those that each contain both townships and parishes.
- Those that each contain townships and undivided lands, as do the northern counties outside the main populated areas of the province.
| County | Seat |
| Abitibi County | Amos |
| Argenteuil County | Lachute |
| Arthabaska County | Arthabaska |
| Bagot County | Saint-Liboire |
| Beauce County | Beauceville |
| Beauharnois County | Beauharnois |
| Bellechasse County | Saint-Raphaël |
| Berthier County | Berthierville |
| Bonaventure County | New Carlisle |
| Brome County | Knowlton |
| Chambly County | Longueuil |
| Champlain County | Sainte-Geneviève-de-Batiscan |
| Charlevoix-Est County | La Malbaie |
| Charlevoix-Ouest County | Baie-Saint-Paul |
| Châteauguay County | Sainte-Martine |
| Chicoutimi County | Chicoutimi |
| Compton County | Cookshire |
| Deux-Montagnes County | Sainte-Scholastique |
| Dorchester County | Sainte-Hénédine |
| Drummond County | Drummondville |
| Frontenac County | Lac-Mégantic |
| Gaspé-Est County | Percé |
| Gaspé-Ouest County | Sainte-Anne-des-Monts |
| Gatineau County | Maniwaki |
| Hull County | Hull |
| Huntingdon County | Huntingdon |
| Iberville County | Iberville |
| Ile-de-Montréal County | Montreal |
| Ile-Jésus County | Laval |
| Iles-de-la-Madeleine County | Ile-du-Havre-Aubert |
| Joliette County | Joliette |
| Kamouraska County | Saint-Pascal |
| Labelle County | Mont-Laurier |
| Laprairie County | La Prairie |
| Laviolette County | La Tuque |
| L'Assomption County | L'Assomption |
| Lévis County | Saint-Romuald |
| L'Islet County | Saint-Jean-Port-Joli |
| Lotbinière County | Sainte-Croix |
| Lac-Saint-Jean-Est County | Alma |
| Lac-Saint-Jean-Ouest County | Roberval |
| Maskinongé County | Louiseville |
| Matane County | Matane |
| Matapédia County | Amqui |
| Mégantic County | Inverness |
| Missisquoi County | Bedford |
| Montcalm County | Sainte-Julienne |
| Montmorency No. 1 County | Chateau-Richer |
| Montmorency No. 2 County | Sainte-Famille |
| Montmagny County | Montmagny |
| Napierville County | Napierville |
| Nicolet County | Bécancour |
| Papineau County | Papineauville |
| Pontiac County | Campbell's Bay |
| Portneuf County | Cap-Santé |
| Québec County | Quebec City |
| Richelieu County | Sorel-Tracy |
| Richmond County | Richmond |
| Rimouski County | Rimouski |
| Rivière-du-Loup County | Rivière-du-Loup |
| Rouville County | Marieville |
| Saint-Hyacinthe County | Saint-Hyacinthe |
| Saint-Jean County | Saint-Jean-sur-Richelieu |
| Saint-Maurice County | Yamachiche |
| Saguenay County | Tadoussac |
| Shefford County | Waterloo |
| Sherbrooke County | Sherbrooke |
| Soulanges County | Coteau-Landing |
| Stanstead County | Ayer's Cliff |
| Témiscouata County | Notre-Dame-du-Lac |
| Témiscamingue County | Ville-Marie |
| Terrebonne County | Saint-Jérôme |
| Vaudreuil County | Vaudreuil-Dorion |
| Verchères County | Verchères |
| Wolfe County | Saint-Joseph-de-Ham-Sud |
| Yamaska County | Saint-François-du-Lac |
- Abitibi Territory
- Mistassini Territory
- Nouveau-Quebec Territory
Renamed counties
- Laval County – Former name of Ile-Jésus County.
- Jacques Cartier County – Renamed in 1970. Former name of Ile-de-Montréal County. It absorbed Hochelaga County in 1921.
- Ottawa County – Former name of Hull County.
- Wright County – Former name of Ottawa County.