Robert L. "Bobby" Harnage (born 1940) is a former American labor union leader.
Harnage attended Macon College and the University of Georgia. He served in the United States Air Force from 1959, then from 1963 was a civilian employee at Robins Air Force Base. He joined the American Federation of Government Employees, and in 1968 began working full-time for the union. He served as a district national representative, then as a vice-president.
In 1991, Harnage was elected as secretary-treasurer of the union, then in 1997 as president. The following year he was also elected as a vice-president of the AFL-CIO. As leader of the union, he increased membership, began using the internet to co-ordinate activities, and led an advertising campaign for recruitment. In 2003, he was narrowly defeated for re-election by John Gage, and he stood down from his AFL-CIO post the following year.