Jolande Jacobi (25 March 1890 – 1 April 1973) was a Swiss psychologist, best remembered for her work with Carl Jung, and for her writings on Jungian psychology.

Jung Institute for Analytical Psychology in Zurich in 1948, where she was nicknamed 'The Locomotive' for her extraversion and administrative drive.

[7] Her subsequent books continued to offer clear expositions of central, classic Jungian themes.

[8] Jacobi's exposition of Jungianism is open to criticism for over-simplification and reification of Jung's more amorphous concepts of the unconscious.

[9] Her belief that "The course of individuation exhibits a certain formal regularity...this absolute order of the unconscious"[10] laid her open to the charge of an over-literal interpretation of Jung; while her diagrams of the psyche – one with the ego at the centre, one with it at the periphery – inevitably provided only one-dimensional snapshots of the richness of psychic experience.