SCDA

SCDA could refer to:


 * The ICAO airport code for Diego Aracena International Airport, Chile
 * The South Carolina Department of Agriculture, government organization
 * Tom Clancy's Splinter Cell: Double Agent, a video game
 * Stabilized constant descent angle approach, aviation: non-precision approach procedure aimed at minimizing the vertical manoeuvring required while flying most non-precision approaches from the final approach segment through to touch down.
 * Soo Chan Design Associates, an international practice seamlessly integrating architecture, interiors, landscape and object-making to create holistic spatial experiences that are intrinsically sustainable, founded by Soo K. Chan in 1995.