2023 U.S. Open Swimming Championships

The 2023 Toyota U.S. Open Swimming Championships took place from November 29 to December 2, 2023, at Greensboro Aquatic Center in Greensboro, North Carolina, United States. Competition was conducted in a long course (50-meter) pool. Swimmers were allowed to compete representing their country, such as Hong Kong, national swimming federation, such as Swimming Canada, club, such as Nation's Capital Swim Club, or unattached.