SDA

SDA is a TLA that can refer to:

SDA Bocconi, SDA School of Management - Bocconi University
San Diego and Arizona Railway Template:Reporting mark
Schweizerische Depeschenagentur, the Swiss News Agency
The Seventh-day Adventist Church, an evangelical Protestant Christian denomination.
Speed Demos Archive, a website collecting demo recordings for various computer games.
The Shop, Distributive and Allied Employees Association - the largest trade union in Australia.
The Southern Domestic Airspace region of Canadian airspace.
Students for Democratic Action, otherwise known as Laredo SDA, an extreme leftist organization in Laredo, TX.
Self-Decrypting Archive - an encrypted file that can be decrypted without any other software.
SDA is the IATA code for Baghdad International Airport, located in Baghdad, Iraq
Stranka Demokratske Akcije - largest Bosniak political party in Bosnia and Herzegovina
Screen Design Aid, a utility program used by midrange IBM computer systems such as the System/34, System/36, System/38, and the AS/400 (iSeries.)