Roderich von Erckert (15 December 1821 – 12 December 1900) was a German ethnographer, cartographer, and military officer in the Russian army.

He was a military writer and published travel reports, scientific studies, and maps.

[2] His earlier work focused on the Russian empire, including ethnographic maps of what are now Estonia, Latvia, Lithuania, Belarus, and Poland.

[2] His later publications focused on the Caucasus languages and peoples, including Der Kaukasus und seine Völker and Die Sprachen des kaukasischen Stammes.

[1] In the last stage of his life, he turned his attention to Germanic history, publishing Wanderungen und Siedelungen der germanischen Stämme in Mitteleuropa