Dasein — Heidegger’s untranslated designation for the mode of Being that is characteristically human, literally ‘Being-there’ — stands as the axial concept of Being and Time and radiates through the depth-psychology corpus wherever questions of existence, finitude, and authentic selfhood arise. The corpus preserves Heidegger’s own sustained working-out of the term across its full analytic range: Dasein as Being-in-the-world irreducibly structured by care, thrownness, projection, and Being-towards-death; as the site where truth (aletheia) is primordially ‘there’; as the locus of the tension between authenticity and the absorptive pull of das Man, the anonymous ‘they’. Ricoeur’s engagement with flesh, otherness, and intersubjectivity offers a critical counterpoint, pressing the question of whether Dasein’s ownmost character can be reconciled with genuine alterity. Throughout, the passages resist any reduction of Dasein to a Cartesian subject, a biological organism, or a sociological aggregate — each such reduction is explicitly diagnosed as an ontological category mistake. What emerges is a portrait of human existence as always already temporally structured, spatially oriented through de-severance and directionality, and fundamentally disclosed to itself through mood (Stimmung), understanding, and discourse. For depth psychology, Dasein names the horizon within which concepts such as anxiety, guilt, conscience, and care acquire their existential-ontological, rather than merely psychopathological, weight.