The collective persona stands at one of the most generative intersections in Jungian depth psychology: the point where individual identity is revealed to be, at its foundation, a segment cut from the broader collective psyche rather than an autonomous creation. Jung’s own formulation — elaborated most systematically in ‘Two Essays on Analytical Psychology’ — insists that the persona, far from expressing individuality, is ‘a more or less arbitrary segment of the collective psyche,’ shaped by social demands, role expectations, and the repression of contents that resist collective conformity. This structural insight carries significant clinical and philosophical weight: identification with the persona amounts to a confusion of the social mask with the self, producing inflation, shadow accumulation, and the suppression of genuine individuality. Commentators including Neumann, Stein, Beebe, and von Franz have variously extended, qualified, and applied this formulation. Neumann situates the collective persona within the ethics of adaptation, warning that ego-identification with it produces dangerous inflation and a ‘good conscience’ that masks the shadow. Stein anatomizes the persona’s function as psychic skin between ego and world. Beebe distinguishes it rigorously from the feeling function. A key tension runs throughout the corpus: the collective persona is simultaneously necessary for social life and the principal obstacle to individuation.