André Diethelm (3 July 1896 – 11 January 1954) was born in Bourg-en-Bresse (Ain department) and was a French Resistance fighter and politician. As an Inspector General of Finance, he joined General de Gaulle and Free France during the Second World War, and presided over the Rally of the French People political party (Rassemblement du peuple français (RPF)) under the Fourth Republic.