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The Madison Avenue Field GuideA field guide to marketing & advertising, by Brandon Mina

GlossaryPrivacy & IdentityData Subject Access Request (DSAR)

Privacy & Identity

Data Subject Access Request (DSAR)

A request from an individual to see, correct, delete or obtain the personal data an organization holds about them.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

A data subject access request (DSAR) is a request from an individual to see, correct, delete or obtain a copy of the personal data an organization holds about them. Laws such as GDPR and US state privacy laws set deadlines for responding, so companies need processes to locate personal data across their systems.