Bob "Butch" Barber (born August 31, 1943 in the Fairview, Alberta) is a retired Canadian professional ice hockey defenceman who played 78 games in the World Hockey Association (WHA) for the Chicago Cougars, New York Golden Blades, and New Jersey Knights. He scored 4 goals and 19 assists in the WHA.
He retired in 1977.
In 1977-78 he coached the San Diego Mariners of the Pacific Hockey League.