Carla Stampfli (born 25 April 1984) is a Swiss former swimmer, who specialized in butterfly events and later became a professional triathlete.

[1] She is a single-time Olympian (2004), a 27-time Swiss swimming champion, and a short-course national record holder in the 100 m butterfly (2007).

[2][3] Stampfli qualified for the women's 4×100 m medley relay, as a member of the Swiss team, at the 2004 Summer Olympics in Athens.

[4][5] Teaming with Dominique Diezi (backstroke), Carmela Schlegel (breaststroke), and Nicole Zahnd (freestyle), Stampfli swam the butterfly leg and recorded a split of 1:03.37.

Stampfli and the entire Swiss team finished the race in seventh place and fifteenth overall with a final time of 4:15.54.