- Arn
- Arnheim
- Arnold
- Arrow Island
- Artesia Beach
- Arthur Bay
- Ash Acres
- Ashland
- Ashland
- Ashland Center
- Ashley
- Ashman Island
- Ashton
- Askel
- Aspen Commons Mobile Home Park
- Assinins
- Assyria
- Athens
- Atkins
- Atlanta
- Atlantic Mine
- Atlas
- Attica
- Atwood
- Au Gres
- Au Sable
- Au Sable River Park
- Au Train
- Au Train Island
- Auburn