"Psychologist" is an academic, occupational or professional title describing individuals who are either:

There are many different types of psychologists, as is reflected by the 56 different divisions of the American Psychological Association (the APA). Psychologists are generally described as being either "applied" or "research" oriented. This major division is also described as the difference between scientists and practitioners or scholars and professionals. The training models endorsed by the APA require that practitioners be trained as both scholars and professionals and to possess advanced degrees.

Most typically, people encounter psychologists and think of the discipline as involving the work of clinical or counseling psychologists, professionals who are concerned with helping people live healthy and productive lives - professionals who help people solve problems of living or resolve mental health problems. Although clinical psychology is a commonly identified professional role, it remains a subset of the field of psychology. Scholars and academicians (conducting research and teaching in universities) constitute a substantial and foundational position in the definition of a "psychologist."

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