CTSA

CTSA may refer to :

• Canadian Traditional Scouting Association
• Cathepsin A is an enzyme which is classified both as a cathepsin and a carboxypeptidase.
• The Catholic Theological Society of America is a professional association of theologians that was founded in 1946 to promote studies and research in theology within the Catholic tradition.
• The Channel Tunnel Safety Authority
• Claire Trevor School of the Arts
• The Clinical and Translational Science Award program administered by the U.S. National Institutes of Health.