A
- Abbotts Harbour
- Abbotts Harbour Lighthouse
- Abrahams Cove
- Abrams Village
- Active Pass Lighthouse
- Addenbroke Island Lighthouse
- Admirals Beach
- Advocate
- Aguanish Ouest
- Aguathuna (Port au Port)
- Ahousat
- Akimiski Island
- Akpatok Island
- Alberton (Northport)
- Alberton Range Lighthouse
- Albion
- Alder Point
- Alert Bay
- Algona
- Algonac
- Allan's Island Lighthouse
- Alma
- Amaranth
- Amherst
- Amherstburg
- Amherst Point Lighthouse
- Amisk Lake
- Amphitrite Point Lighthouse
- Anchor Point
- Anderson Hollow Lighthouse
- Annandale
- Annandale Range Lighthouse
- Annapolis Royal
- Annapolis Royal Lighthouse
- Anse aux Gascons Range Rear Lighthouse
- Anse-Bleue
- Anse Blue Lighthouse
- Antigonish
- Apple River Lighthouse
- Aquaforte
- Argentia
- Arisaig
- Arisaig Harbour Range Lighthouse
- Arnes
- Arnold's Cove
- Arnprior
- Aspen Cove
- Attawapiskat
- Aulds Cove
- Aylmer
- Aylmer Sound (Port Harrington)
