Frank Turek (born November 20, 1961) is a renowned American Christian apologist, author, public speaker, and radio host. He is best known as the founder and president of the Christian apologetics ministry CrossExamined.org.

Turek has co-authored two books: Legislating Morality and I Don't Have Enough Faith to Be an Atheist, with Christian philosopher Norman Geisler. In addition, Turek has authored two of his own books: Correct, Not Politically Correct and Stealing from God.

He hosts a call-in talk show, CrossExamined, on American Family Radio, and a television show, I Don't Have Enough Faith to Be an Atheist, which airs on the NRB Network.

Turek is a former aviator in the U.S. Navy, holds a Masters degree in Public Administration from George Washington University, and a doctorate in Apologetics from Southern Evangelical Seminary. He has also taught classes in Leadership and Management.