Ellen Müller-Preis, née Preis, (6 May 1912 – 18 November 2007) was a German-born Austrian Olympic-champion foil fencer.

At one point, Prof. Müller-Preis was credited in the Guinness Book of World Records as the female with the longest Olympic span of any woman, competing from 1932 until 1956.

As a German/Austrian dual citizen, she wanted to fence for Germany in the 1932 Los Angeles Olympics but was rejected by the German Federation.

[5] She then fenced in those Olympics for Austria, beating Heather Judy Guinness of England for the gold medal.

Elek defeated a German with a Jewish father, Helene Mayer, gold medalist at the 1928 Summer Olympics in Amsterdam, one of only two Jews allowed to compete for Germany by the Nazis, who admitted her under threat of boycott by the US.