| Men’s 100 m freestyle | men’s | 28 | 1896 – 2024 | Pan Zhanle China |
| Men’s 1500 m freestyle | men’s | 27 | 1908 – 2024 | Bobby Finke United States |
| Men’s 200 m breaststroke | men’s | 27 | 1908 – 2024 | Léon Marchand France |
| Men’s 4 × 200 m freestyle relay | men’s | 27 | 1908 – 2024 | James Guy, Tom Dean, Matt Richards, Duncan Scott, Jack McMillan, Kieran Bird Great Britain |
| Men’s 400 m freestyle | men’s | 27 | 1908 – 2024 | Lukas Märtens Germany |
| Men’s 100 m backstroke | men’s | 26 | 1908 – 2024 | Thomas Ceccon Italy |
| Women’s 4 × 100 m freestyle relay | women’s | 26 | 1912 – 2024 | Mollie O'Callaghan, Shayna Jack, Emma McKeon, Meg Harris, Olivia Wunsch, Bronte Campbell Australia |
| Women’s 100 m freestyle | women’s | 25 | 1912 – 2024 | Sarah Sjöström Sweden |
| Women’s 100 m backstroke | women’s | 24 | 1924 – 2024 | Kaylee McKeown Australia |
| Women’s 200 m breaststroke | women’s | 24 | 1924 – 2024 | Kate Douglass United States |
| Women’s 400 m freestyle | women’s | 24 | 1924 – 2024 | Ariarne Titmus Australia |
| Women’s 100 m butterfly | women’s | 18 | 1956 – 2024 | Torri Huske United States |
| Men’s 200 m butterfly | men’s | 18 | 1956 – 2024 | Léon Marchand France |
| Men’s 200 m backstroke | men’s | 17 | 1900 – 2024 | Hubert Kós Hungary |
| Men’s 4 × 100 m medley relay | men’s | 17 | 1960 – 2024 | Xu Jiayu, Qin Haiyang, Sun Jiajun, Pan Zhanle, Wang Changhao China |
| Women’s 4 × 100 m medley relay | women’s | 17 | 1960 – 2024 | Regan Smith, Lilly King, Gretchen Walsh, Torri Huske, Katharine Berkoff, Emma Weber, Alex Shackell, Kate Douglass United States |
| Men’s 200 m freestyle | men’s | 16 | 1900 – 2024 | David Popovici Romania |
| Men’s 400 m individual medley | men’s | 16 | 1964 – 2024 | Léon Marchand France |
| Women’s 400 m individual medley | women’s | 16 | 1964 – 2024 | Summer McIntosh Canada |
| Men’s 100 m breaststroke | men’s | 15 | 1968 – 2024 | Nicolò Martinenghi Italy |
| Women’s 100 m breaststroke | women’s | 15 | 1968 – 2024 | Tatjana Smith South Africa |
| Men’s 100 m butterfly | men’s | 15 | 1968 – 2024 | Kristóf Milák Hungary |
| Women’s 200 m backstroke | women’s | 15 | 1968 – 2024 | Kaylee McKeown Australia |
| Women’s 200 m butterfly | women’s | 15 | 1968 – 2024 | Summer McIntosh Canada |
| Women’s 200 m freestyle | women’s | 15 | 1968 – 2024 | Mollie O'Callaghan Australia |
| Women’s 800 m freestyle | women’s | 15 | 1968 – 2024 | Katie Ledecky United States |
| Men’s 4 × 100 m freestyle relay | men’s | 14 | 1964 – 2024 | Jack Alexy, Chris Guiliano, Hunter Armstrong, Caeleb Dressel, Ryan Held, Matt King United States |
| Men’s 200 m individual medley | men’s | 13 | 1968 – 2024 | Léon Marchand France |
| Women’s 200 m individual medley | women’s | 13 | 1968 – 2024 | Summer McIntosh Canada |
| Men’s 50 m freestyle | men’s | 10 | 1988 – 2024 | Cameron McEvoy Australia |
| Women’s 50 m freestyle | women’s | 10 | 1988 – 2024 | Sarah Sjöström Sweden |
| Women’s 4 × 200 m freestyle relay | women’s | 8 | 1996 – 2024 | Mollie O'Callaghan, Lani Pallister, Brianna Throssell, Ariarne Titmus, Jamie Perkins, Shayna Jack Australia |
| Men's 10 km open water | men’s | 3 | 2016, 2020, 2024 | Kristóf Rasovszky Hungary |
| Women's 10 km open water | women’s | 3 | 2016, 2020, 2024 | Sharon van Rouwendaal Netherlands |
| 10 km marathon | men’s | 2 | 2008, 2012 | Oussama Mellouli Tunisia |
| 10 km marathon | women’s | 2 | 2008, 2012 | Éva Risztov Hungary |
| 1500 m freestyle | women’s | 2 | 2020, 2024 | Katie Ledecky United States |
| 4 × 100 m medley relay | mixed | 2 | 2020, 2024 | Ryan Murphy, Nic Fink, Gretchen Walsh, Torri Huske, Regan Smith, Charlie Swanson, Caeleb Dressel, Abbey Weitzeil United States |
| 400 m breaststroke | men’s | 2 | 1912, 1920 | Håkan Malmrot Sweden |
| 800 m freestyle | men’s | 2 | 2020, 2024 | Daniel Wiffen Ireland |
| 1 mile freestyle | men’s | 1 | 1904 | Emil Rausch Germany |
| 100 mefreestyle | women’s | 1 | 2000 | Inge de Bruijn Netherlands |
| 100 yard backstroke | men’s | 1 | 1904 | Walter Brack Germany |
| 100 yard freestyle | men’s | 1 | 1904 | Zoltán Halmay Hungary |
| 1000 m freestyle | men’s | 1 | 1900 | John Arthur Jarvis Great Britain |
| 1200 m freestyle | men’s | 1 | 1896 | Alfréd Hajós Hungary |
| 200 m obstacle event | men’s | 1 | 1900 | Frederick Lane Great Britain |
| 200 m team swimming | men’s | 1 | 1900 | Ernst Hoppenberg, Max Hainle, Ernst Lührsen, Gustav Lexau, Herbert von Petersdorff Germany |
| 220 yard freestyle | men’s | 1 | 1904 | Charles Daniels United States |
| 300 m freestyle | women’s | 1 | 1920 | Ethelda Bleibtrey United States |
| 4000 m freestyle | men’s | 1 | 1900 | John Arthur Jarvis Great Britain |
| 440 yard breaststroke | men’s | 1 | 1904 | Georg Zacharias Germany |
| 440 yard freestyle | men’s | 1 | 1904 | Charles Daniels United States |
| 4×50 yard freestyle relay | men’s | 1 | 1904 | Joe Ruddy, Leo Goodwin, Louis Handley, Charles Daniels United States |
| 50 yard freestyle | men’s | 1 | 1904 | Zoltán Halmay Hungary |
| 500 m freestyle | men’s | 1 | 1896 | Paul Neumann Austria |
| 880 yard freestyle | men’s | 1 | 1904 | Emil Rausch Germany |
| Sailors 100 m freestyle | men’s | 1 | 1896 | Ioannis Malokinis Greece |
| Underwater swimming | men’s | 1 | 1900 | Charles Devendeville France |