Keith Thomas Jacobs Jr. (February 13, 1935 – July 9, 2022) was an American professional golfer and golf course owner/operator who played on the PGA Tour and the Champions Tour. He was the older brother of John Jacobs who has also played on the PGA Tour and is a current player on the Champions Tour. Jacobs joined the Senior PGA Tour (now known as the Champions Tour) in 1985 and continued to play in selected events into the 2000s; his last appearance was at the 2003 Senior PGA Championship. Jacobs died on July 9, 2022, at the age of 87.