John Patrick Spiegel, American psychiatrist and academic (b. 1911)
John Paul Spiegel (March 17, 1911 – July 17, 1991) was an American psychiatrist, and expert on violence and combat stress and the 103rd President of the American Psychiatric Association (APA).

As president-elect of the APA in 1973, he helped to change the definition of homosexuality in the Diagnostic and Statistical Manual of Mental Disorders (DSM) which had previously described homosexuality as sexual deviance and that homosexuals were pathological.