Cities
- Abee AB
- Abercorn QC
- Abercrombie NS
- Abrams River NS
- Abrams Village PE
- Acaciaville NS
- Acheson AB
- Achill ON
- Acton NB
- Adamsville ON
- Addington Forks NS
- Adjala-Tosorontio ON
- Advocate Harbour NS
- Afton NS
- Afton PE
- Airlie ON
- Airy ON
- Aishihik YT
- Aklavik NT
- Albany Cross NS
- Albany New NS
- Albany NS
- Albany PE
- Albert Head BC
- Albert MB
- Albert Mines NB
- Alberton PE
- Albreda BC
- Alcomdale AB
- Alder Flats AB
- Alder River NS
- Aldersville NS
- Alert NU
- Alexander MB
- Alexandrina NB
- Alexis Creek BC
- Aleza Lake BC
- Algonquin Highlands ON
- Algonquin Park ON
- Alice ON
- Alkali Lake BC
- Allains Creek NS
- Allan Water ON
- Allandale NB
- Allans Corners ON
- Allendale NS
- Allenford ON
- Alleyn-et-Cawood QC
- Allimill ON
- Allison Harbour BC
- Allison NB
- Alliston ON
- Allsaw ON
- Alma NB
- Alma NS
- Alma Parish NB
- Almonte ON
- Alonsa MB
- Alpen AB
- Alpen Siding AB
- Alpine Village ON
- Alsops Beach ON
- Altamont MB
- Altbergthal MB
- Alton ON
- Altona BC
- Altona MB
- Alvanley ON
- Amaranth MB
- Amaranth ON
- Amber Valley AB
- Amesbury AB
- Amherst QC
- Amiraults Hill NS
- Amisk AB
- Ammon NB
- Amos QC
- Anahim Lake BC
- Ancona Point ON
- Anderson Mountain NS
- Anderson Settlement NB
- Andrewsville ON
- Ange-Gardien Monteregie QC
- Anglo Tignish PE
- Angusville MB
- Annagance NB
- Annan ON
- Annandale-Little Pond-Howe Bay PE
- Annapolis Royal NS
- Ansell AB
- Ansnorveldt ON
- Anstruther Lake ON
- Antigonish Harbour NS
- Antigonish Landing NS
- Antigonish NS
- Antrim NS
- Apex NU
- Appleton ON
- Apsley ON
- Aquaforte NL
- Arbeatha Park ON
- Arcadia NS
- Archie MB
- Arctic Bay NU
- Arden MB
- Ardmore AB
- Ardness NS
- Ardoise NS
- Argyle Head NS
- Argyle NS
- Argyle Shore PE
- Argyle Sound NS
- Arisaig NS
- Ariss ON
- Arkell ON
- Arkwright ON
- Arlington East NS
- Arlington NS
- Arlington ON
- Arlington West NS
- Arlington Woods ON
- Armagh QC
- Armena AB
- Armstrong Lake NS
- Arnott ON
- Aroland ON
- Arran-Elderslie ON
- Arranvale ON
- Arras BC
- Arrow River MB
- Arthur MB
- Arundel QC
- Arviat NU
- Ashdale NS
- Ashdale ON
- Ashmont AB
- Ashmore NS
- Ashton ON
- Ashton Station ON
- Ashville MB
- Aspen NS
- Asphodel-Norwood ON
- Aspotogan NS
- Assumption ON
- Athabasca AB
- Athlone ON
- Atikup ON
- Atlanta NS
- Atlantic NS
- Atmore AB
- Atnarko BC
- Attachie BC
- Atwoods Brook NS
- Aubigny MB
- Auburn NS
- Auburndale NS
- Auden ON
- Augsburg ON
- Aulac NB
- Aulds Cove NS
- Austin MB
- Avenir AB
- Avondale NL
- Avonport NS
- Aylesford East NS
- Aylesford Lake NS
- Aylesford Mountain NS
- Aylesford NS