A
- A.M. Cunningham Parette
- Aaron Provincial Park
- Abitibi de Troyes Provincial Park
- Ada Johnson Park
- Adams Lake Provincial Park
- Adamson Estate
- Agay Mene Territorial Park
- Akamina-Kishinena Provincial Park
- Albany River Provincial Park
- Albion Hills Conservation Area
- Aldergrove Lake Regional Park
- Alderney Park
- Alexander Park
- Alexandra Bridge Provincial Park
- Alexandra Park
- Algonquin Provincial Park
- Alice Lake Provincial Park
- Allan Brooks Nature Centre
- Allandale Heights Park
- Allandale Station Park
- Allenvale Park
- Alliance Forest
- Allison Lake Provincial Park
- Alty Conservancy
- Amberly Park
- Amherst Shore Provincial Park
- Amisk Park Reserve
- Anarchist Protected Area
- Ancaster Heights Park
- Anchorage Provincial Park
- Anderson Bay Provincial Park
- Anderson Flats Provincial Park
- Andrew W. Pate Park
- Andrew Warburton Memorial Park
- Andy Bailey Regional Park
- Anglin Lake Recreation Area
- Annapolis Basin Look Off Provincial Park
- Anne Good Park
- Ansty-Hunakwa Provincial Park
- Antelope Lake Regional Park
- Anthony Provincial Park
- Apodaca Provincial Park
- Arbutus Grove Provincial Park
- Arches Provincial Park
- Arctic Pacific Lakes Provincial Park
- Arctic Park
- Ardagh Bluffs
- Ardagh Bluffs West
- Argyle Shore Provincial Park
- Arisaig Provincial Park
- Arrow Lake Provincial Park
- Arrow Lakes (Shelter Bay) Provincial Park
- Arrowhead Provincial Park
- Arrowstone Provincial Park
- Artlish Caves Provincial Park
- Ashbridge's Bay Park
- Ashwood Green Park
- Asi Keyi Territorial Park
- Aspen Beach Provincial Park
- Assabaska Ojibway Heritage Park
- Assabaska Ojibway Heritage Park
- Assessippi Provincial Park
- Assikinack Park
- Assiniboia Regional Park
- Assiniboine Park
- Assiniboine Park Conservatory
- Athabasca Falls
- Athabasca Sand Dunes Wilderness Provincial Park
- Atikaki Provincial Wilderness Park
- Atkinson Park
- Atlin Provincial Park
- Atna River Provincial Park
- Atton's Lake Regional Park
- Aubrey Falls Provincial Park
- Aulavik National Park
- Aurora War Memorial Peace Park
- Aurora War Memorial Peace Park
- Austin Park
- Auyuittuq National Park
- Avenue Park
- Awenda Provincial Park
