Penelope "Penny" Oleksiak (born June 13, 2000) is a Canadian competitive swimmer who specializes in the freestyle and butterfly events. During the 2016 Summer Olympics, she became the first Canadian to win four medals in the same Summer Games and the country's youngest Olympic champion, with a gold in the 100 m freestyle, a silver in the 100 m butterfly, and two bronzes in the women's freestyle relays (4×100 m and 4×200 m).