Thomas Daniel Weiskopf (born November 9, 1942) is an American professional golfer who played on the PGA Tour and the Champions Tour. His most successful decade was the 1970s, and he won 16 PGA Tour titles between 1968 and 1982.
Weiskopf's first win on the PGA Tour came at the Andy Williams-San Diego Open Invitational in 1968, and fifteen more followed by 1982. His career season was 1973, when he won seven tournaments around the world, including The Open Championship at Royal Troon, and he would finish that year ranked second in the world according to Mark McCormack's world golf rankings.
After winding down his tournament career, Weiskopf has become a noted golf course architect.