James Patrick Kinnon (5 April 1911 – 9 July 1985), commonly known as Jimmy Kinnon or "Jimmy K.", was one of the primary founders of Narcotics Anonymous (NA), a worldwide fellowship of recovering addicts. During his lifetime, he was usually referred to as "Jimmy K." due to NA's principle of personal anonymity on the public level. He never referred to himself as a founder of NA, although the record clearly shows that he played a founding role.