Robert H. Knight is an American conservative writer and activist. He was a draftsman of the federal Defense of Marriage Act, which barred federal recognition of same-sex marriage. DOMA was invalidated by the Supreme Court in United States v. Windsor (2013). He is senior fellow of the American Civil Rights Union and a regular columnist for The Washington Times. He was senior writer for Coral Ridge Ministries and director of the Culture and Media Institute, a project founded in 2006 by the Media Research Center in Alexandria, Virginia. Knight has also served as director of the Culture & Family Institute, an affiliate of Concerned Women for America.