- aThe first letter of the English alphabet, called a and written in the Latin script.
- anUsed before a vowel sound.
- yanOne.
- AnsteyA small village and civil parish in East Hertfordshire district, Hertfordshire, England (OS grid ref TL4032).
- OnleyA deserted medieval village in Barby parish, Northamptonshire, England.
- AncoatsAn urban area in central Manchester, Greater Manchester, England (OS grid ref SJ8498).
- a-Forming verbs with the sense away, up, on, out.