Katharina Krüger (born 3 January 1990) is a German wheelchair tennis player who competes in international level events. In the singles she is a three-time quarterfinalist in the Australian Open and four-time quarterfinalist in the French Open. She has participated at three Summer Paralympic Games and reached the second round in the singles' events. In the doubles she was a runner-up in the 2009 Australian Open where she partnered with Agnieszka Wysocka and lost to Korie Homan and Esther Vergeer in the final. Krüger has used a wheelchair from an early age as she was born with spina bifida.