- Société Française de Psychanalyse
- Société Psychanalytique de Genève
- Société Psychanalytique de Montréal
- Société Psychanalytique de Paris and Institut de Psychanalyse de Paris
- Sociology and Psychoanalysis/Sociopsychoanalysis
- Sokolnicka-Kutner, Eugénie (1884-1934)
- Somatic Compliance
- Some Psychical Consequences of the Anatomical Distinction Between the Sexes
- Somnambulism
- Spain
- Specific Action
- Spielrein, Sabina (1885-C. 1941)
- Spinoza and Psychoanalysis
- Spitz, René Arpad (1887-1974)
- Split Object
- Splits in Psychoanalysis
- Splitting
- Splitting of the Ego
- Splitting of the Ego in the Process of Defence
- Splitting of the Object
- Splitting of the Subject
- Splitting, Vertical and Horizontal
- Squiggle
- Stage (or Phase)
- Stammering
- Standard Edition of the Complete Psychological Works of Sigmund Freud
- State of Being in Love
- Stekel, Wilhelm (1868-1940)
- Sterba, Richard F. (1898-1989)
- Sterba-Radanowicz-Hartmann, Editha (1895-1986)
