Swimming at the 2023 Pan American Games – Women's 100 metre backstroke

The women's 100 metre backstroke competition of the swimming events at the 2023 Pan American Games were held on October 25, 2023, at the Aquatic Center in Santiago, Chile.

Heats
The first round was held on October 25.

Final B
The B final was also held on October 25.

Final A
The A final was also held on October 25.