SAO
See also: Appendix:Variations of "sao"
English
Noun
SAO
- Session-At-Once, a recording mode for optical discs
- Specified Associated Organisation
- Serb Autonomous Oblasts
Proper noun
SAO
- Smithsonian Astrophysical Observatory (or the star catalog)
- Special Astrophysical Observatory of the Russian Academy of Science
- Security Advisory Opinion