The Rennenkampff family is a Baltic-German noble family. It is of Westphalian origin and originated in Osnabrück. They hold the title of Edler.

Paul Georg Edler von Rennenkampf was a Baltic German nobleman, statesman and general of the Imperial Russian Army who commanded the 1st Army in the invasion of East Prussia during the initial stage of the Eastern front of World War I. He also served as the last commander of the Vilna Military District.