Johann Georg Rauch (18 June 1789 – 6 March 1851) was a Swiss businessman and politician.

In 1813, he defended the northern Swiss border, fighting under Niklaus Rudolf von Wattenwyl and, in 1814, participated in the defence of the Fort de Joux in Pontarlier, France under the command of Niklaus Franz von Bachmann.

[2] On 9 June 1830, he was appointed as successor of his father to the district officer (Kreisamtsmann) and so he gave up the position as registrar and moved back to Diessenhofen.

In 1830, Johann Georg Rauch was elected to Grand Council of Thurgau (Grosser Rat) where he remained until his death in 1851.

[1] In 1831, he bought a playing-card factory from Johann Bernhard Zündel, who had also served in the Swiss regiment "Ziegler" in the Netherlands.

[2] In Pfyn Johann Georg Rauch worked from 1850 as tax commissioner of Steckborn District.