2023 USA Swimming Championships

The 2023 Phillips 66 National Swimming Championships was held on June 27 to July 1, 2023, at the IU Natatorium in Indianapolis, Indiana. The competition serves as the selection meet for determining the swim team to represent the United States at the 2023 World Aquatics Championships in Fukuoka, Japan.

Overall results
Key:

Results for World Championships freestyle relay events
The following swimmers fulfilled the qualification criteria and were named to the team roster for the 2023 World Aquatics Championships in the event.

2023 World Aquatics Championships team
The roster for the US 2023 World Aquatics Championships were announced on the last day of the meet. 22 women and 26 men were announced to the team in pool events at Worlds. Notably, Michael Andrew was not named to the team despite winning the 50 fly due to the qualifying criteria, which limits the number of swimmers on a team to 26 men and women.

Men

 * Jack Alexy, Hunter Armstrong, Shaine Casas, Charlie Clark, Ross Dant, Matt Fallon, Nic Fink, Bobby Finke, Carson Foster, Brennan Gravley, Chris Guiliano, Ryan Held, Thomas Heilman, Luke Hobson, David Johnston, Chase Kalisz, Drew Kibler, Matt King, Destin Lasco, Josh Matheny, Henry McFadden, Jake Mitchell, Ryan Murphy, Baylor Nelson, Justin Ress, Dare Rose, Kieran Smith, Joey Tepper

Women

 * Katharine Berkoff, Jillian Cox, Mariah Denigan, Kate Douglass, Erin Gemmell, Katie Grimes, Torri Huske, Lydia Jacoby, Lilly King, Katie Ledecky, Lindsay Looney, Maxine Parker, Anna Peplowski, Alex Shackell, Bella Sims, Regan Smith, Olivia Smoliga, Leah Smith, Rhyan White, Alex Walsh, Gretchen Walsh, Claire Weinstein, Abbey Weitzeil