Barbara Stamm (née Stocker; 29 October 1944 – 5 October 2022) was a German politician of the Christian Social Union in Bavaria. She joined the CSU in 1969, was a member of the town council of Würzburg from 1972, and a member of the Landtag of Bavaria from 1976. She was vice-chair of the CSU from 1993 to 2017, and President of the Landtag from 2008 to 2018, the first woman in the position. She was regarded as the most popular Bavarian politician and as her party's "social conscience".