Cameron McEvoy (born 13 May 1994) is an Australian competitive swimmer who represented his country at the 2012,[6] 2016, 2020 and 2024 Summer Olympics.

At the 2023 World Aquatics Championships he won gold in the men's 50m freestyle beating out Jack Alexy and Benjamin Proud.

In the 2024 Paris Olympics, McEvoy won the gold medal in the men's 50m freestyle with a time of 21.25 seconds, once again narrowly edging out Benjamin Proud who took the silver, and Florent Manaudou who claimed the bronze.

[15] At the 2016 Olympic trials he gained attention by wearing a swim cap with the signal of two merging black holes to celebrate the first observation of gravitational waves that had been announced two months earlier.

[15][16][17] The year before he wore a cap showing a Feynman diagram of a positron and an electron annihilating.