Andrew "Andy" Cadiff is an American film director, television director, television producer and theatre director. He has directed episodes of a number of notable television series including Home Improvement, Spin City, My Wife and Kids, Growing Pains, According to Jim, The War at Home, The King of Queens, Rules of Engagement, Anger Management and Quintuplets. He also directed the films Leave It to Beaver (1997), his theatrical film directing directing debut. and Chasing Liberty (2004), starring Mandy Moore.

He also directed the 1988 Broadway musical Mail starring Michael Rupert. Cadiff married actress Susan Diol in 2003, they divorced in 2010. He is a graduate of Harvard University.