A
- Abénakis
- Abasand Heights
- Abbot Heights
- Abbotsford
- Aberarder
- Abercorn
- Abercrombie
- Aberdeen
- Aberdeen
- Aberdeen No. 373
- Aberfeldy
- Aberfoyle
- Aberfoyle Creek Estates
- Abingdon
- Abitibi
- Abiwin
- Abney
- Aboushagan Road
- Abrams Village
- Acadie Siding
- Acadieville
- Acheson
- Achigan
- Achill
- Achray
- Acme
- Actinolite
- Acton
- Actons Corners
- Acton Vale
- Ada
- Adams Gulch
- Adams Lake
- Adamsville
- Adamsville
- Adderley
- Addington
- Addington Highlands
- Addison
- Adelaide
- Adelaide Metcalfe
- Adelard
- Adjala-Tosorontio
- Admaston-Bromley
- Adolphustown
- Advance
- Advocate Harbour
- Aetna
- Afton
- Afton Road
- Agassiz
- Agate
- Agatha
- Agawa
- Agency 1
- Agency Indian Reserve No. 30
- Agerton
- Aglakumna-La 2
- Aglakumna 4A
- Ah-We-Cha-Ol-To 16
- Ahahswinis 1
- Ahmic Harbour
- Ahmic Lake
- Ahmitsa 5
- Ahous 16
- Ahousat
- Ahpokum 9
- Ahuk 1
- Aikensville
- Aikwucks 15
- Ailsa Craig
- Airdrie
- Airlie
- Air Ronge
- Aitchelitch 9
- Ajax
- Akenside
- Akwesasne
- Akwesasne 59
- Akwesasne Reserve No. 15
- A Kwis Ki Mahka Indian Reserve
- Alameda
- Alastair 80
- Alastair 81
- Alban
- Albanel
- Albany
- Albany Corner
- Albany Cross
- Albas
- Albatross
- Alberni-Clayoquot
- Alberni 2
- Alberry Plains
- Albert
- Alberta Beach
- Albert Beach
- Albert Flat 5
- Albert Mines
- Alberton
- Albertville
- Albion
- Albion
- Albion Cross
- Albright
- Albrights Corner
- Albuna
- Albury
- Alcida
- Alcomdale
- Alcona
- Alcurve
- Alden
- Alder
- Alderdale
- Aldergrove
- Alder Point
- Aldershot
- Alderslea
- Alderson
- Aldersyde
- Alderville
- Alderwood
- Aldouane
- Aldred's Beach
- Alencon
- Alert Bay
- Alert Bay 1
- Alert Bay 1A
- Alexander
- Alexander 134
- Alexandra
- Alexandria
- Alexandria
- Alexandria 1
- Alexandria 1A
- Alexandria 3
- Alexandria 3A
- Alexandria 10
- Alexandria 11
- Alexandria 12
- Alexis 9
- Alexis 133
- Alfred
- Alfred and Plantagenet
- Alfred Station
- Algar
- Algoma, Unorganized, North Part
- Algoma, Unorganized, South East Part
- Algoma Mills
- Algonquin
- Algonquin Highlands
- Alhambra
- Alice
- Alix
- Alix South Junction
- Alixton 5
- Alkali Lake 1
- Alkali Lake 4A
- Allainville
- Allan
- Allan's Island
- Allanburg
- Allan Mills
- Allan Park
- Allans Corners
- Allard
- Allardville
- Allardville East
- Allen's Mill
- Allenford
- Allens Corners
- Allensville
- Allenwood
- Allenwood Beach
- Alleyn-et-Cawood
- Alliance
- Alliance
- Allimil
- Allimill
- Allingham
- Allisary
- Allison Lake
- Allisonville
- Alliston
- Alliston
- Alloa
- Allsaw
- Alma
- Alma
- Alma
- Alma Village
- Almdals Cove
- Almira
- Almonte
- Alness
- Alnwick
- Alnwick/Haldimand
- Alpine Ridge
- Alpine Village
- Alport
- Alsace
- Alsask
- Alsfeldt
- Alsike
- Alsops Beach
- Alta Vista
- Althorpe
- Alton
- Altona
- Alvanley
- Alvena
- Alvin
- Alvinston
- Amaranth
- Amaranth Station
- Ambassador Beach
- Amberley
- Ambleside
- Ambuoy
- Ameer
- Amelia
- Ameliasburg
- Amesdale
- Amethyst Harbour
- Amherst
- Amherst
- Amherstburg
- Amherst Pointe
- Amherstview
- Amiens
- Amigari Downs
- Amigo Beach
- Amik/Talisman
- Amiraults Corner
- Amisk Lake I.R. 184
- Amiskosakahikan Indian Reserve No. 210
- Amos
- Amqui
- Amsterdam
- Amulree
- Anacla 12
- Anahim 10
- Ancaster
- Anchor Point
- Ancliff
- Ancona Point
- Anderson Lake
- Anderson Lake 5
- Anderson Road
- Andover
- Andrewsville
- Andy's Corners
- Anfield
- Ange-Gardien
- Anglemont
- Angliers
- Anglo-Rouyn Mine Site
- Anglo Rustico
- Angus
- Anjigami
- Anjou
- Ankerton
- Anmore
- Annable Settlement
- Annaheim
- Annan
- Annandale
- Annapolis
- Annapolis Royal
- Annex
- Anola
- Anoma Lea
- Ansell
- Ansnorveldt
- Ansonville
- Anstice
- Anstruther Lake
- Antelope
- Antelope Park No. 322
- Anten Mills
- Anthony
- Anthracite
- Antigonish
- Antioch
- Antko 21
- Anton Lake
- Antrim
- Anzac
- Apohaqui
- Appin
- Appin Road
- Appleby Corner
- Applecroft
- Appledore
- Applegrove
- Apple Hill
- Appleton
- Appleton
- Apsagayu 1A
- Apsley
- Apto
- Aquadeo
- Ar-Ce-Wy-Ee 4
- Arborg
- Arbuckle
- Archer
- Archibald Settlement
- Archibalds Mill
- Archydal
- Arcola
- Ardbeg
- Arden
- Ardendale
- Ardenode
- Ardenville
- Ardill
- Ardley
- Ardmore
- Ardmore
- Ardmore Beach
- Ardrossan
- Ardtrea
- Arelee
- Argentia Beach
- Argosy
- Argue
- Argyle
- Argyle
- Argyle
- Argyle Shore
- Ariss
- Arizona
- Arkell
- Arklan
- Arkona
- Arkwood
- Arkwright
- Arlington
- Arlington
- Armagh
- Armagh Station
- Armena
- Armond
- Armour
- Armow
- Armstrong
- Armstrong
- Armstrong
- Armstrong Brook
- Armstrong Mills
- Armstrongs Corners
- Arner
- Arnold's Cove
- Arnolds Cove Station
- Arnprior
- Arnstein
- Aroland
- Aroland Indian Settlement
- Aroostook
- Arpin
- Arran-Elderslie
- Arranvale
- Arras
- Arrowhead
- Arrowwood
- Arthur
- Arthur's Corners
- Arthurette
- Arthurville
- Arundel
- Arva
- Arvida
- Arvilla
- Asahal Lake 2
- Asbestos
- Ascalon
- Ascot
- Ascot Corner
- Ash
- Ashburn
- Ashburton
- Ashby Mill
- Ashfield-Colborne-Wawanosh
- Ashgrove
- Ashland
- Ashnola 10
- Ashuanipi
- Ashworth
- Asimakaniseekan Askiy I.R. 102A
- Aspdin
- Aspen
- Aspen Cove
- Aspen Grove
- Asphodel-Norwood
- Asquith
- Asselstine
- Assineau
- Assineau River 150F
- Assumption
- Astle
- Aston-Jonction
- Astorville
- Athalmer
- Atha Road
- Athens
- Atherley
- Atherton
- Athlone
- Athol
- Athol
- Atholville
- Atik
- Atikokan
- Atironto
- Attachie
- Attercliffe
- Attercliffe Station
- Atwater
- Atwood
- Auburn
- Auburn
- Auburnville
- Aubut
- Auclair
- Auden Park
- Audley
- Aughrim
- Augsburg
- Augusta
- Aumond
- Aunor
- Aurora
- Austin
- Austin
- Austin
- Austin's Flat 3
- Australian
- Avalon Park
- Avening
- Avery Island 92
- Avery Point
- Avon
- Avonbank
- Avondale
- Avondale
- Avondale
- Avondale
- Avondale Road
- Avonlea
- Avonmore
- Avonport
- Avonry
- Avonton
- Aweme
- Axe Lake
- Ayer's Cliff
- Aylechootlook 5
- Aylen Lake
- Aylen Lake Station
- Aylesford
- Aylesworth
- Aylmer
- Aylmer
- Ayr
- Ayton
- Aywawwis 15
- Azen
- Azilda
- Azure
