Francis Mer (25 May 1939 – 1 November 2023) was a French businessman, industrialist and politician.

An alumnus of the École polytechnique (class of 1959), and of the École des Mines de Paris, he was a member of the Corps des mines.

From 2002 to 2004, he was Minister of Finances in Jean-Pierre Raffarin's conservative government.

From 2005, he sat on the board of directors of Vale Inco, which benefited from an important tax rebate to exploit a nickel mine in New Caledonia while he was finance minister.

In April 2011, due to the change of structure of Safran, Jean-Paul Herteman became CEO and Francis Mer became Vice Chairman.