A
- (Regional District of Mount Waddington) Atchison Island
- (Fraser Valley Regional District) Atchelitz
- (Capital Regional District) Ardmore
- (Regional District of Kitimat-Stikine) Ashdown Island
- (Skeena-Queen Charlotte Regional District) Arthur Island
- (Central Coast Regional District) Arthur Island
- (Regional District of Kitimat-Stikine) Arriaga Islands
- (Fraser Valley Regional District) Arnold
- (Regional District of Mount Waddington) Arm Islands
- (Regional District of Kitimat-Stikine) Aristazabal Island
- (Skeena-Queen Charlotte Regional District) Arichika Island
- (Capital Regional District) Argyle Islet
- (Central Coast Regional District) Active Islet
- (Regional District of Alberni-Clayoquot) Ahousat
- (Regional District of Alberni-Clayoquot) Ahmah Island
- (Strathcona Regional District) Ahmacinnit Island
- (Central Coast Regional District) Ahclakerho Islands
- (Central Coast Regional District) Agnew Islet
- (Skeena-Queen Charlotte Regional District) Agglomerate Island
- (Central Coast Regional District) Admiral Group
- (Central Coast Regional District) Addenbroke Island
- (Regional District of Kitimat-Stikine) Adams Island
- (Squamish-Lillooet Regional District) Alta Lake
- (Regional District of Nanaimo) Acorn Island
- (Capital Regional District) Acland Islands
- (Skeena-Queen Charlotte Regional District) Absalom Island
- (Regional District of Kitimat-Stikine) Abrams Island
- (Thompson-Nicola Regional District) Aberdeen
- (Fraser Valley Regional District) Aberdeen
- (Cariboo Regional District) Anahim Lake