G
- John Gabrieli
- Gordon G. Gallup, Jr., mirror self-recognition (MSR) test
- Francis Galton
- Laszlo Garai
- Riley Gardner
- Elmer R. Gates
- Susan Gathercole
- Bertram Gawronski
- Kenneth Gergen, social constructionism
- Hans-Werner Gessmann, humanistic psychodrama
- J. J. Gibson
- Gerd Gigerenzer, bounded rationality
- Carol Gilligan
- Fernand Gobet, cognitive psychology
- Stan Gooch
- Irving I. Gottesman, behavioral genetics
- Richard Green, sexology
- Florence Goodenough
- Elizabeth Gould
- James Gross
- Robert Grosseteste
- Félix Guattari, founder of schizoanalysis
- J. P. Guilford
- Daniel Gilbert, social psychology
Read more about this topic: List Of Psychologists