- Alvin
- Amberg
- Ambridge
- Ames Island
- Amik Island
- Amnicon Falls
- Anacker
- Anchor Island
- Anderson
- Anderson Island
- Anderson Trailer Court
- Angelica
- Angelo
- Angus
- Annaton
- Anson
- Anston
- Ansul Islands
- Anthony Island
- Antigo Island
- Anton
- Apollonia
- Ilhas Apostle
- Apple Creek
- Arbor Vitae
- Arcade Acres
- Argonne
- Arkansaw
- Arkdale
- Arland