Elfrida von Nardroff (July 3, 1925 – November 11, 2021) was an American game show contestant.

Later, it was revealed that there was cheating on the game show and von Nardroff committed perjury in Grand Jury proceedings.

[3] Shortly after her win, the game show was under investigation by the Manhattan district attorney, Frank S. Hogan, following a revelation that one of the contestants had been coached.

[7] In 1958 she was also quoted in Life speaking about other contestants on the show, "They were respectable and intelligent people, it is inconceivable they could have been fixed.

[9] She appeared before another grand jury in January 1959 to explain her multiple phone calls with the game show's producer Albert Freedman.