Basil Eldon "Buzz" Hargrove (born March 8, 1944, Bath, New Brunswick, Canada) is the former National President of the Canadian Auto Workers trade union. He also serves as a Vice-President on the executive committee of the Canadian Labour Congress.

Hargrove first became involved in the automotive sector as a line worker for the Chrysler assembly plant in Windsor, Ontario. He succeeded Bob White as president of the CAW in 1992. On July 8, 2008, he announced his intention to retire, before he turned 65, in September 2008. The CAW National Executive Board and staff endorsed then CAW Local 444 president Ken Lewenza to replace Hargrove as National President, and on September 6, 2008, Lewenza was formally elected to the position at a special union convention.

In 1998, Hargrove co-authored the book Labour of Love: The Fight to Create a More Humane Canada with Wayne Skene. Also in 1998, Brock University honoured him with a Doctorate of Laws degree. He has received honorary doctorates from the University of Windsor in 2003, and from Wilfrid Laurier University in 2004. He currently is serving as a distinguished visiting professor at Ryerson University. In 2008, he was made an Officer of the Order of Canada.