C. Frank Zarnowski (born April 14, 1943) is an American author, historian, coach, TV commentator, statistician and public address announcer for track and field events, specializing in the decathlon.

[4] Several of Zarnowski's books on track and field have been nominated for national awards, including Olympic Glory Denied, and All-Around Men: Heroes of a Forgotten Sport.

[5] As a highly regarded authority on the decathlon, Zarnowski also provides expert commentary on the event in print and online media.

[6][7][8][9] Zarnowski was professor of economics at Mount St. Mary's University from 1967 to 2008 and has held the same position at Dartmouth College since 2002.

[12] Zarnowski is of Polish descent, born in York, Pennsylvania, on April 14, 1943, to parents Chester and Gertrude.