William Otto Harbach (October 12, 1919 – December 18, 2017) was an American television producer, director and author.

Harbach spent one year preparing for college at the Hun School of Princeton,[5] after which he was accepted at Brown University.

[6] After a brief stint managing the nightclub acts Kay Thompson and the Williams Brothers, Harbach got an entry-level job in 1948 as editor at the NBC New York Studio.

[8] Harbach and Vanoff produced the acclaimed variety show The Hollywood Palace from 1964 to 1970,[9] as well as multiple specials.

That same year he produced An Evening with Alan Jay Lerner at Lincoln Center for the Memorial Sloan Kettering Cancer Center,[16] and produced and directed the Irving Berlin Tribute at the Music Box Theater on February 6, 1990.