- Acme
- Ada
- Adams
- Adams
- Addison Township
- Addison
- Adrian
- Adrian Township
- Advance
- Aetna
- Aetna
- Afton
- Ahmeek
- Akron Township
- Akron
- Alabaster
- Alaiedon
- Alamo
- Alanson
- Albee
- Albert
- Albion Township
- Albion
- Alcona
- Alden
- Algansee
- Alger
- Algoma
- Algonac
- Allegan
- Allegan Township
- Allen
- Allen Township
- Allen Park
- Allendale
- Allenton
- Allis
- Allouez
- Alma
- Almena
- Almer
- Almira
- Almont
- Almont Township
- Aloha
- Alpena
- Alpena Township
- Alpha
- Alpine
- Alto
- Amasa
- Amber
- Amboy
- Ann Arbor Charter Twp
- Ann Arbor
- Antioch
- Antrim
- Antwerp
- Applegate
- Arbela
- Arcada
- Arcadia
- Arcadia Township
- Arcadia
- Arenac
- Argentine Township
- Argentine
- Argyle
- Arlington
- Armada Township
- Armada
- Arthur
- Arvon
- Ash
- Ashland
- Ashley
- Assyria
- Athens Township
- Athens
- Atlanta
- Atlantic Mine
- Atlas
- Attica
- Attica Township
- Au Gres
- Au Gres Township
- Au Sable
- Au Sable charter township
- Au Sable
- Au Train
- Auburn
- Auburn Hills
- Augusta
- Augusta
- Aurelius
- Austin
- Avery
- Avoca
- Azalia