CSTA

CSTA may refer to:


 * California Science Teachers Association
 * Canadian Seed Trade Association
 * Center for SCREEN-TIME Awareness
 * Combat Systems Test Activity, Aberdeen Proving Ground, Maryland
 * Community of Scientific and Technological Activities, a student activity in faculty of pharmacy Helwan university.
 * Computer Science Teachers Association
 * Computer-supported telecommunications applications
 * Constant Slope Timed Automata
 * Council of Science and Technology Advisors - a Canadian S&T Committee
 * Cystatin A, a protein
 * Czech and Slovak Transatlantic Award
 * Peptide Transporter Carbon Starvation Family, a family of transporter proteins