Johann Georg Reinheimer (1776 – 13 June 1820) was a German copperplate engraver, commercial artist, and art dealer.

Johann Georg Reinheimer was born in 1776 in Frankfurt am Main, Holy Roman Empire.

[2] After his father-in-law's death in 1808, Reinheimer's publishing house produced etched and engraved scenes of Frankfurt and nearby areas, based on works by Johann Friedrich Morgenstern and Anton Radl.

[2] That year, Reinheimer created an engraving of the Archangel Raphael, based on a 16th-century painting by Pietro Perugino.

[4] Reinheimer created an engraving of View of Mainz in 1815, based on Caspar Schneider's work, utilizing aquatint, a technique pioneered by Jean-Baptiste Le Prince.