Dr. Scott David Haltzman (born 1960 in Allentown, Pennsylvania) is an American psychiatrist, relationship counselor, and author. He is known for his work in support of marriage and husbands. Haltzman is the author of The Secrets of Happily Married Men: Eight Ways to Win Your Wife's Heart Forever (2006), The Secrets of Happily Married Women: How to Get More Out of Your Relationship by Doing Less (2008), The Secrets of Happy Families: Eight Keys to Building a Lifetime of Connection and Contentment (2009), and The Secrets of Surviving Infidelity (2013).