Sandra Wächtershäuser (born 4 March 1975), also spelled Waechtershauser or Waechtershaeuser, is a German former professional tennis player.

[1] A left-handed player from Schöneck, Wächtershäuser played on the professional tour in the 1990s and reached a best singles ranking of 181.

[2] She featured in the qualifying draw for the 1995 US Open and made the second round of the 1995 German Open, by beating world number 41 Elena Likhovtseva.