- SDA
SDA may refer to:
*
SDA Bocconi School of Management, in Milan, Italy
*T-Mobile SDA , a smartphone from T-Mobile
*San Diego and Arizona Railway , a short-line American railroad
*San Dieguito Academy , a high school in Encinitas, California
*Schweizerische Depeschenagentur , the national press agency of Switzerland
*Screen Design Aid , a utility program used by midrange IBM computer systems
*Seventh-day Adventist Church , a Protestant Christian denomination, officially abbreviated Adventist, not SDA
*Shop, Distributive and Allied Employees Association , the largest trade union in Australia
*Singapore Democratic Alliance , an alliance of political parties in Singapore
*Southern Domestic Airspace , a division of Canadian airspace
*Specific Dynamic Action , another term for the thermic effect of food
*Speed Demos Archive , a website collecting demo recordings for various computer games
*Stranka Demokratske Akcije , "Party of Democratic Action", a Bosniak political party in Bosnia and Herzegovina
*Baghdad International Airport (IATA code SDA), located in Iraq
*Serial Data Signal of anI²C electronic bus
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