The term ‘Collective Conscience’ occupies a charged and contested space within the depth-psychology corpus, drawing together Durkheimian social theory, Jungian analytical psychology, and comparative mythology into a field of ongoing tension. Jane Ellen Harrison’s foundational identification of Themis as ‘the collective conscience’ — the very spirit of assembly incarnate, the force that binds men together — establishes the mythological-anthropological pole of the concept, locating it in the pre-rational, participatory substrate of communal life. Erich Neumann engages the term most systematically in his ethical writings, tracing the evolution from primitive group identification through the imposition of a codified collective ethic by the ‘Great Individual,’ and finally toward the ‘total ethic’ that demands the individual conscience supersede collective moral consensus. For Neumann, collective conscience is simultaneously the indispensable scaffold of civilization and the principal mechanism of shadow-production, persona-inflation, and scapegoating. Jung himself holds the collective value against which individual conscience must ultimately be tested, warning that the believer who measures conscience by traditional ethical standards substitutes collective conformity for genuine moral encounter with the unconscious. Sri Aurobindo adds a further critique: the collective conscience, being merely a larger aggregate of individual egos, cannot supply the spiritual illumination the individual requires. The corpus thus reveals collective conscience as an ambiguous force — generative of social cohesion yet structurally resistant to individuation.