Barbara Rittner (born 25 April 1973) is a German former professional tennis player.

At 's-Hertogenbosch in 2003, as a main-draw alternate, she recorded the best win of her career over the then-sixth ranked Amélie Mauresmo before losing to Kim Clijsters.

Earlier in the year, she achieved her first career top-ten win over Jelena Dokić at Indian Wells.

In January 2005, she became captain of the German Fed Cup team.

This biographical article relating to German tennis is a stub.