|Full name||William Albert Yorzyk, Jr.|
May 29, 1933|
|Height||5 ft 10 in (1.78 m)|
|Weight||163 lb (74 kg)|
|Club||New Haven Swim Club|
|College team||Springfield College|
|Template:Infobox medal templates|
William Albert Yorzyk, Jr. (born May 29, 1933) is an American former competition swimmer, Olympic champion, and former world record-holder.
Yorzyk represented the United States at the 1956 Summer Olympics in Melbourne, Australia. He was the first swimmer to win the gold medal in the new men's 200-meter butterfly event, finishing with a time of 2:19.3 in the final.
Yorzyk continued to swim competitively while he attended medical school at the University of Toronto. He won the U.S. AAU indoor championship in the 220-yard butterfly in 1958. He was awarded the university's Bickle Prize as its outstanding student-athlete in 1958 and 1959.
- Bill Yorzyk – Olympic athlete profile at Sports-Reference.com
- William Yorzyk (USA) – Honor Swimmer profile at International Swimming Hall of Fame
Template:Footer USA Swimming 1956 Summer Olympics