Constituent societies of the ISBM presently include:

• Academy of Behavioral Medicine Research
• American Psychosomatic Society
• Australasian Society for Behavioural Health and Medicine
• Central and Eastern European Society of Behavioural Medicine
• Chilean Society of Behavioral Medicine and Health Psychology
• Danish Society of Psychosocial Medicine
• Finnish Section of Behavioral Medicine of the Finnish Association of Social Medicine
• German Society of Behavioral Medicine and Behavior Modification
• Hungarian Society of Behavioural Sciences and Medicine
• Italian Society of psychosocial medicine
• Japanese Society of Behavioral Medicine
• Korean Society of Stress Medicine
• Mexican Society of Behavioral Medicine
• Netherlands Behavioral Medicine Federation
• Norwegian Society of Behavioral Medicine
• Slovak National Society of Behavioral and Psychosomatic Medicine
• Society of Behavioral Medicine (USA)
• Spanish Society of Behavioral Medicine and Health Psychology
• Swedish Society of Behavioral Medicine
• Thailand Society of Behavioral Medicine
• UK Society of Behavioural Medicine
• Venezuelan Interdisciplinary Group of Behavioral Medicine
  

The Division of Health Psychology of the American Psychological Association and Society of Pediatric Psychology (USA) are affiliate members.