Anna-Karin Kammerling (born 19 October 1980) is a world-record breaking Swedish swimmer, who was born in Malmö, Sweden.
Currently she resides in Sundsvall and trains with the Sundsvalls Swim Club under coach Hans Bergquist.
Kammerling has twice lowered the world record in the 50-meter butterfly event.
In 2000, she was a member of the 4×100 m freestyle team that were awarded bronze medals during the Summer Olympics.