Lenka Wienerová (born 23 April 1988) is a Slovak former tennis player.

Wienerová won ten titles in singles and eleven in doubles on the ITF Circuit in her career.

On 10 August 2009, she reached her best singles ranking of world No.

On 2 April 2012, she peaked at No.

Playing for Slovakia in Fed Cup, she has a win-loss record of 1–1.