DSA

DSA may refer to:

Education

 * DeKalb School of the Arts, a grades 8–12 public school in DeKalb County, Georgia, US
 * Denver School of the Arts, a grades 6–12 public school in Denver, Colorado, US
 * Detroit School of Arts, Michigan, US
 * Deutsche Schule Algarve, German school in Silves, Portugal
 * Deutsche Schule Athen or German School of Athens, Greece
 * Direct School Admission, Singapore
 * Disabled students allowance, a UK government grant for students in higher education
 * Durham School of the Arts, a grades 6–12 public school in Durham, North Carolina, US

Information technology

 * Digital Signature Algorithm, a cryptographic standard for digital signatures
 * Directory System Agent, an IT standard, part of X.500
 * Domain-Specific Architecture, see Pixel Visual Core
 * Debian Security Advisory, security advisories for the Debian Linux operating system
 * Data structure alignment
 * Data structures and algorithms

Organizations

 * Dante Society of America, an academic society in the US promoting the study of Dante Alighieri
 * Defence Safety Authority, UK
 * Democratic Socialists of America, a political action organization in the US
 * Development Studies Association, UK and Ireland
 * Direct Selling Association, the name of several trade associations
 * Down's Syndrome Association, a UK charity
 * Driving Standards Agency, UK
 * DSA Myanmar, Defense Services Academy
 * The Dozenal Society of America, advocacy group for the use of a base-12 numeral system

Other

 * Daily Subsistence Allowance, a per diem contribution for UNDP staff members
 * Das Schwarze Auge role-playing game
 * Dental surgery assistant
 * Digital Security Act, 2018 (Bangladesh)
 * Digital Services Act, a name by which the EU Regulation 2022/2065 is known
 * Digital subtraction angiography, a fluoroscopy technique
 * Distinguished Service Award (OA), Order of the Arrow, Boy Scouts of America
 * Doncaster Sheffield Airport, England (IATA airport code)
 * Donor-specific antibody in transplant medicine
 * Dubai–Sharjah–Ajman, a conurbation of emirates in the UAE
 * Duluth, South Shore and Atlantic Railway, a former railway company
 * Dsa, a rare variant of the humid continental climate with hot, dry summers and cold, wet/snowy winters