The 1978 PGA Championship saw Tom Watson of the United States finish first with a score of 136, with Tom Weiskopf, Joe Inman, and Ben Crenshaw finishing all with 140 points, making them all tied in second place.
The 1978 PGA Championship was the 60th PGA Championship, played August 36 at Oakmont Country Club in Oakmont, Pennsylvania, a suburb northeast of Pittsburgh. 1 Tom Watson T2 Tom Weiskopf Joe Inman Ben Crenshaw 
