Isabelle Stadden (born July 9, 2002)[1] is an American swimmer who specializes in the backstroke.

At the 2018 USA Championships in July, Stadden won the bronze medal in the 200 m backstroke.

[2] Stadden competed at the 2019 Pan American Games in August.

[3][4][5] She swam in the heats of the women's 4 × 100 m medley relay, and the U.S. finished first in the final, earning Stadden a gold medal.

[5] In December, Stadden won the gold medal in the 200 m backstroke at the 2019 U.S. Open.