The 2023 Phillips 66 National Swimming Championships was held on June 27 to July 1, 2023, at the IU Natatorium in Indianapolis, Indiana.
[1] 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.
Key: Highlighted swimmers fulfilled the qualification criteria and were named to the team roster for the 2023 World Aquatics Championships in the event.
The following swimmers fulfilled the qualification criteria and were named to the team roster for the 2023 World Aquatics Championships in the event.
The roster for the US 2023 World Aquatics Championships were announced on the last day of the meet.