Jean Mercier

Jean Mercier may refer to:


 * Jean Mercier (engineer) (1901–1971), French engineer
 * Jean Le Mercier (died 1397), French politician, advisor to kings Charles V and Charles VI
 * Jean Mercier (Hebraist) (died 1570), French Hebraist
 * Jean Ernest Mercier (1840–1907), French translator, historian and politician