Action theory

Action theory may refer to:


 * Action theory (philosophy), an area in philosophy concerned with the processes causing intentional human movement
 * Action theory (sociology), a sociological theory established by the American theorist Talcott Parsons
 * Social action, an approach to the study of social interaction outlined by the German sociologist Max Weber and taken further by G. H. Mead

It may also refer to a number of different types of social interactions and associations, including:
 * Affectional action
 * Instrumental action
 * Traditional action
 * Value-rational action
 * Communicative action
 * Dramaturgical action
 * Group action (sociology)