Thierry Repentin (born 5 April 1963) is a French politician who has served as Mayor of Chambéry since 2020. A member of the Socialist Party (PS), he previously served as a Senator for Savoie (2004–2012; 2014) and in government as Minister Delegate for Vocational Training and Apprenticeship (2012–2013) and for European Affairs (2013–2014) under Prime Minister Jean-Marc Ayrault.