- Arkwright (S.C.)9
- Arles (France)1
- Arlington (Ill.)1
- Arlington (Va.)32
- Arlington Heights (Ill.)2
- Arlington National Cemetery (Arlington, Va.)26
- Arlington, Arlington County, Virginia, United States1
- Arlington, Tarrant County, Texas, United States1
- Armourdale (Kansas City, Kan.)1
- Aroostook County (Me.)1
- Asakusa-ku (Tokyo, Japan)1
- Asbury Park (N.J.)8
- Ascot (England)1
- Ashbourne (England)1
- Ashepoo River, Colleton County (S.C.)7
- Asheville2
- Asheville (N.C.)23
- Asheville, Buncombe County, North Carolina, United States3
- Ashley Barony (Charleston County, S.C.)1
- Ashley River2