OSA
OSA is an abbreviation for:
- Oberschulamt
- Medical Corps, a military doctor with the rank of Major
- Objektträgerschnellagglutination, simple examination method to detect antibodies in the serum of an infection
- Obstructive sleep apnea syndrome, clinical picture, which is caused by pauses in breathing during sleep
- Oceania Swimming Association, Swimming Federation Oceanic
- Ochranný svaz autorský per práva k Dilum hudebním, os, Czech GEMA
- Office of Special Affairs, Intelligence Service of the Church of Scientology
- On shelf availability, percentage, really stand out to the listed goods in trade also available
- Online Self Assessment in Higher Education web-based study guidance services that enable a self-assessment of suitability for study or the compliance with interests and expectations
- Open Scripting Architecture, mechanism for the communication of applications in Mac OS X, see AppleScript
- Open Systems Architecture, standard in telecommunications in accordance with U.S. Federal Standard 1037C
- Are Open Service Access (also Open Service Architecture), defined as value-added services implemented in a UMTS network
- Optical Society of America, scientific society in the field of optics and photonics
- Optical Spectrum Analyzer, electronic measuring device to show the frequencies contained in a signal
- Ordo Sancti Augustini, Order of Saint Augustine
- Organisation for the Safety of Abrasives
- OSA Color System, the concept of a color space that has been developed by the Optical Society of America.
- East German Sparkassenakademie
Osa stands for:
- 9K33 Osa, a Russian air defense missile system
- Osa (Costa Rica), Peninsula in Costa Rica
- Osa (river) (until 1945: Ossa ), flow in the provinces of Warmia and Mazury and Kujawy, Poland
- Osa ( genus ), a genus of the plant family of Rubiaceae
- Osa (Canton), a canton in the province of Puntarenas in Costa Rica
- Osa class, class of missile fast patrol boats
Osa is a surname, and may refer to:
See also:
- Ossa ( disambiguation page )
- Disambiguation
- Abbreviation