Jean-Marie Halsdorf (born 1 February 1957) is a Luxembourgish politician of the Christian Social People's Party (CSV) who was Minister for Defence of Luxembourg in the Juncker–Asselborn II Government.

He attended grammar school in Echternach and went to university in Strasbourg, France. In 1988 he was elected to the town council of Pétange.

In 2000, he became Mayor of Pétange.

In 1994 he was elected to the Chamber of Deputies, and in 2004 he became a cabinet minister. At that time, he stepped down as Mayor of Pétange.

• Officer vum Order of Merit of the Grand Duchy of Luxembourg (Promotioun 1999)^[1]
• Officer vum Order of the Oak Crown (Promotion 2004)^[2]

• "Jean-Marie Halsdorf", Luxembourg Presidency of the Council of the European Union, 2005. Retrieved May 13, 2010.
• "Biography of Jean-Marie Halsdorf", Luxembourg government. Retrieved May 13, 2010.