CSTC

CSTC may mean:


 * Calcutta State Transport Corporation
 * Confédération Syndicale des Travailleurs de Centrafrique
 * Confédération Syndicale des Travailleurs du Congo
 * Cortico-striato-thalamocortical circuit, also known as cortico-basal ganglia-thalamo-cortical loop, a type of neural circuit in the brain
 * Combined Security Transition Command – Afghanistan