- a king of Judah, 913?–873? b.c. 1 Kings 15:8–24.
- Acoustical Society of America.
- former name of the American National Standards Institute.
- the numerical exposure index of a photographic film under the system adopted by the American Standards Association, used to indicate the light sensitivity of the film's emulsion.
- (in Britain) Amateur Swimming Association
- (in Britain) Advertising Standards Authority
- (in the US) American Standards Association
