CSAB

CSAB may refer to:


 * Cadbury Schweppes Americas Beverages
 * Central Seat Allocation Board, Indian government agency overseeing admission into Government Funded Technical Institutes
 * Colegio San Agustin - Bacolod, an Augustinian school in the Philippines
 * CSAB (professional organization), an accreditation supporting organization, formerly called Computing Sciences Accreditation Board, in the United States
 * CSαβ (Cysteine-stabilized alpha beta) defensins, a superfamily of proteins, also called cis-defensins