The swine occupies a remarkably capacious symbolic register within the depth-psychology corpus, functioning simultaneously as sacred animal, chthonic emblem, object of ritual taboo, and vehicle for psychological projection. Campbell’s mythographic work traces the pig’s deep neolithic roots — present across the earliest planting cultures and appearing in the mysteries of Demeter-Persephone, the myths of Circe and Odysseus, and Celtic boar-god imagery — arguing that the animal’s later designation as ‘unclean’ likely descended from an earlier sanctity. Hillman approaches the swine phenomenologically through dream analysis, attending to pig-images as essences of the dreaming psyche rather than symbolic codes to be deciphered, and surveys the cultural history of pig-loathing across monotheistic traditions as itself a depth-psychological datum. Nietzsche deploys the swine as a rhetorical figure for the spiritually self-deceived, those whose asceticism masks failed instinctuality. Benveniste’s structural linguistics provides an unexpected foundation, demonstrating that the Indo-European lexical cluster around sus/porcus illuminates ancient distinctions of domesticity, sacrifice, and ritual economy. Freud’s autobiography of the dream touches on swine-feeding as a primal scene of humiliation and class. The term thus traverses mythology, ritual history, ethology, linguistics, and clinical dreamwork, making it a nodal concept for understanding the symbolic fate of instinct in Western culture.