- Aberford
- Acaster Malbis
- Acklam
- Acklam Wold
- Addingham
- Adlingfleet
- Adwick le Street
- Agbrigg
- Ainderby Steeple
- Airmyn
- Airton
- Aislaby
- Aldborough
- Aldbrough
- Aldwark
- Aldwarke
- Alkborough
- Allerston
- Allerton Mauleverer
- Almondbury
- Alne
- Althorpe
- Altofts
- Alverthorpe
- Amcotts
- Amotherby
- Ampleforth
- Anlaby
- Apperley Bridge
- Appersett
