A (disambiguation)

A is the first letter of the alphabet. It may also refer to:

In English, it is one of the articles (grammar)
In measurement, A is a symbol for area.
In medicine, A is one of the human blood types.
In music, A is a note.
In school, an A is the highest grade you can get
In transport, A is the international license plate code for Austria.
In the Cyrillic Script, А is the first letter.
Ampere (A), a unit of electric current
Are (a), a unit of area
Annum (a), a unit of time

This disambiguation page lists articles associated with the title A.
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