Michel Mercier (born 7 March 1947) is a French politician and who served as Minister of Justice from 2010 until 2012.

Arriving behind the right-wing dissident list supported by Charles Millon in his sector, the 5th arrondissement of Lyon, he decided to withdraw in favor of Jean-Michel Dubernard, who established an alliance with Charles Millon.

Treasurer of the UDF, he remained loyal to the opposition of François Bayrou vis-à-vis the government of Dominique de Villepin.

President of the Centrist Union Senate group since 2002, he remained faithful to François Bayrou by joining the MoDem.

On 30 January 2008, Michel Mercier, by favouring an alliance with the UMP in Lyon, whose list was led by Dominique Perben for the 2008 municipal elections signaled his disagreement with the strategy of François Bayrou by resigning the presidency of the MoDem in Rhône.

On 23 June 2009, he joined the government of François Fillon as Minister of Rural Areas and Spatial Planning.

After the defeat of Nicolas Sarkozy at the 2012 Presidential election, he was replaced by Christiane Taubira.

Governmental functions Keeper of the Seals, Minister of Justice and Freedoms : 2010–2012.