In Defense of a Married Man
- annos singulos: 1990
- Patriam: United States of America
- genus: TV Movie, Crime, Drama, Mystery
- Studio: Landsburg Company, American Broadcasting Company (ABC)
- keyword: adultery, infidelity, murder, murder investigation, framed for murder, broken family, cheater, murder mystery, murder trial, murder suspect, accused of murder, murder by gunshot, murder case, adulterous affair
- Director: Joel Oliansky
- cast: Judith Light, Michael Ontkean, Jerry Orbach, Johnny Galecki, Cynthia Sikes, Gema Zamprogna