Frederike Johanna Maria "Femke" Heemskerk is a Dutch swimmer who mainly specializes in freestyle, but also has a strong backstroke and medley. As part of the Dutch team, she holds the world record 4�100 m freestyle relay on both short course and long course. In short course she is also part of the Dutch team who holds the 4�200 m freestyle relay world record. Individually she is owner of five national records, two in long course, 200 m freestyle and 200 m individual medley, and two in short course, 200 m freestyle, 200 m backstroke and 200 m individual medley. 

September 21st, 1987 in Roelofarendsveen (Age 37)