A may refer to:
- The A rating used in Canada's provincial rating systems (which means adult).
- The former A certificate used by the BBFC.
- The ratings that mean suitable for all ages:
- The A rating from the Computer Entertainment Rating Organization.
- The A rating from the Film and Publication Board.
- The A rating from the General Directorate of Radio, Television and Cinematography.
- The A rating from the Bahamas Plays and Films Control Board.
- The A rating used in Newgrounds' content rating system (which means adults only).