Frank I. Luntz (born February 23, 1962) is an American corporate and conservative Republican political consultant and pollster. His most recent work has been with the Fox News Channel running focus groups after presidential debates. Luntz's specialty is “testing language and finding words that will help his clients sell their product or turn public opinion on an issue or a candidate.” Luntz formed The Luntz Research Companies in 1992, and maintains an office in Alexandria, Virginia.

Luntz is the son of Lester L. Luntz, D.D.S., a forensic dentist, and Phyllis Luntz.

Frank graduated with a Bachelor of Arts degree in History and Political Science from the University of Pennsylvania and received his Doctorate in Politics from Oxford University.