- Amber
- Amblers Crossing
- Amblerville
- Amboy
- Amboy Center
- Amenia
- Amenia Union
- American Island
- Ames
- Amherst
- Amity
- Amity Harbor
- Amityville
- Amsterdam
- Anaquassacook
- Ancram
- Ancramdale
- Anderson
- Andes
- Andover
- Angel Isle
- Angelica
- Angells Corner
- Angola
- Angola Lake Shore Addition
- Angola-on-the-Lake
- Angus
- Annadale
- Annandale-on-Hudson
- Annsville