Gerhart von Montaton, 3rd Viscount Montaton of Heidelberg

Gerhart von Montaton, 3rd Viscount Montaton of Heidelberg (1846 - 1931) was a Prussian nobleman who served as the King's Lieutenant General of Prussia from 1898 - 1907, the 17th since Confederation.

Prior to being appointed KLG, he was the Attorney General of Prussia from 1877 - 1881 and Secretary of State from 1885 - 1889. He was then appointed to the Senate to represent XX and served from 1889 - 1897 when he resigned to accept the position of KLG.