• American Association of Professional Hypnotherapists Established in 1979, serving the community of professional hypnotherapists with information, services, professional insurance, annual convention, and a quarterly journal. Accepts international members as well.

• American Psychotherapy and Medical Hypnosis Association National treatment and referral organization for medical and mental health professionals who use hypnosis and hypnotherapy in clinical practice. Training offered at-a-distance in a 6-8 week course for those who hold a state board license in their respective discipline.

• American Society of Clinical Hypnosis The American Society of Clinical Hypnosis is for health and mental health care professionals using clinical hypnosis.Founded in 1957

• Association of Qualified Curative Hypnotherapy Lesserian Curative Hypnotherapy is the use of hypnosis to uncover and correct the cause of symptoms enabling a complete and permanent cure to be effected. Full list of qualified practitioners, information and advice on treatment available at this site.

• British Association of Therapeutical Hypnotists Welcome to the British Association of Therapeutical Hypnotists web site

• British Society of Clinical Hypnosis Dedicated listings of professional, ethical hypnotherapists. Details of constitution and entry requirements. (UK)

• General Hypnotherapy Register A central register for the hypnotherapy profession. (UK)

• Hypnotherapy Practitioners Association The HPA is a proactive organisation which represents all ethical practicing hypnotherapists in the UK and extends the public awareness of the value of clinical hypnosis in the wider issues of healing.

• IARRT Group of members that work to increase the acceptance and use of professional and responsible past-life therapy.

• Long Island Chapter, National Guild of Hypnotists A directory of information and resources for Long Island residents regarding LI-NGH Hypnotists who are dedicated to professionalism in hypnotism and strict adherence to the NGH Code of Ethics.

• MSCH supports ethical and scientific uses of clinical hypnosis The Michigan Society of Clinical Hypnosis is a component section of the American Society of Clinical Hypnosis. Members share scientific and clinical interest in the ethical use, and advancement, of clinical hypnosis.

• National Board for Certified Clinical Hypnotherapists An educational, scientific, and professional organization dedicated to professionalizing the mental health specialty/sub-specialty of hypnotherapy.

• Oregon Hypnotherapy Association Includes a directory of therapists, OHA approved schools, news and a hypnosis FAQ.

• Professional Board of Hypnotherapy A members listing and information for Professional Clinical Hypnnotherapists and information for the General Public on Hypnosis

• SoCal Society for Ericksonian Psychotherapy and Hypnosis Provides training workshops/seminars and educational materials for the professional psychotherapist community.

• Society for Spiritual Regression The Society for Spiritual Regression is dedicated to furthering research and advances in the practice of Life-Between-Lives Hypnotherapy.

• The Heart-Centered Therapies Association The Heart-Centered Therapies Association promotes healing modalities in psychotherapy and transpersonal growth which utilize altered-states, deeply experiential approaches, the client's own spiritual connection, and an unfailing link with unconditional love.

• The Hypnotherapy Association Non-profit organization and the independent professional body in Britain representing hypnotherapists in active practice.

• The International Association of Hypnoanalysts Europe's largest group of hypnoanalysts. View a register of over 300 practising hypnotherapists, train to be a hypnotherapist, get help for stopping smoking, losing weight, getting rid of a phobia, fight depression, defeat anxiety, and boost confidence. Dedicated to the ethical use of hypnosis and hypnotherapy.

• The National Guild of Hypnotists, Inc. The NGH is the largest and oldest hypnotherapy membership organization in the world. Hypnosis training and hypnotist referrals avalilable.