- Acme
- Ada
- Adams
- Addison
- Addison Township
- Adrian
- Adrian Township
- Aetna
- Aetna
- Afton
- Alaiedon
- Alamo
- Alanson
- Albert
- Albion
- Albion Township
- Alcona
- Algansee
- Alger
- Algoma
- Allegan
- Allegan Township
- Allen
- Allen Park
- Allen Township
- Allendale
- Allis
- Alma
- Almena
- Almer
- Almont
- Almont Township
- Aloha
- Alpena
- Alpena Township
- Alpine
- Alto
- Amber
- Amboy
- Ann Arbor
- Ann Arbor Charter Twp
- Antrim
- Antwerp
- Arcadia
- Arcadia Township
- Argentine
- Argentine Township
- Arlington
- Ashland
- Assyria
- Athens
- Athens Township
- Atlanta
- Atlas
- Au Gres Township
- Au Sable charter township
- Auburn
- Auburn Hills
- Augusta
- Augusta
- Aurelius
- Austin
- Avery