Jean-Pierre Maransin (French pronunciation: [ʒɑ̃ pjɛʁ maʁɑ̃sɛ̃]; 20 March 1770 in Lourdes – 15 May 1828 in Paris) was a général de division of the First French Empire who saw action during the Peninsular War. He was appointed colonel of the 1st Legion du Midi on 27 January 1807 and promoted to général de brigade on 8 November 1808.