Carmela Schlegel (born March 9, 1983) is a former Swiss swimmer who specialized in breaststroke events.

[2] She is a single-time Olympian (2004), a double Swiss champion, and a former national record holder in the 100 m breaststroke.

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

[6] Teaming with Dominique Diezi (backstroke), Carla Stampfli (butterfly), and Nicole Zahnd (freestyle), Schlegel swam the breaststroke leg and recorded a split of 1:12.04.

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