Summer McIntosh

Summer Ann McIntosh OLY (born August 18, 2006) is a Canadian competitive swimmer. She is a three-time Olympic champion, four-time World Aquatics champion, and two-time Commonwealth Games gold medallist. Noted for her strength in medley and butterfly events, she is the world record holder in the 200 and 400 metre individual medley and 400 metre freestyle, and also holds the Olympic and textile records in the 200 metre butterfly event. In the short course pool, she is a four-time World Swimming Championships gold medallist and holds world records in the 400 metre freestyle, 200 metre butterfly, and 400 metre individual medley events.

McIntosh first drew recognition when, at age 14, she was the youngest member of the Canadian team for the 2020 Summer Olympics, where she achieved a fourth-place finish in the 400 metre freestyle. The following year she became the youngest World Aquatics champion in swimming in over a decade, and the first Canadian to win two gold medals at a single World Championships, for which she was dubbed a "teen swimming sensation." In March and April 2023, in the span of five days, she set her first and second world records, in the 400 metre freestyle and 400 individual medley events, at the Canadian national trials. McIntosh's performance at the 2024 Summer Olympics, in which she won four individual medals (three gold and one silver), further increased her fame, with Time dubbing it the "Summer of Summer".