Jean-Marcel Jeanneney (13 November 1910 – 17 September 2010[1]) was minister in various French governments in the 1950s and 1960s, and France's first ambassador to Algeria in the immediate aftermath of the Algerian War.

The only son of Jules Jeanneney (a deputy in the National Assembly of France, president of the French Senate, and Minister of State in Charles de Gaulle's post-World War II provisional government), Jean-Marcel Jeanneney graduated in economics from the Paris Institute of Political Studies (better known as Sciences Po).

In 1958, the younger Jeanneney was appointed by Jacques Rueff to the Rueff-Pinay committee, a group of experts on economic reform whose ultimate product, the Rueff-Pinay plan, lowered French tariffs, returned the French franc to full convertibility after re-evaluating it, and reformed financial markets.

Jeanneney was Minister of Industry in the Michel Debré government from 1959 to 1962, ending when he was appointed French ambassador and high commissioner to Algeria.

Jeanneney was elected in 1968 to the National Assembly as a deputy for Isère, running with the Union des Démocrates pour la République and defeating the incumbent Pierre Mendès-France.