Bernhard Eduardovich Petri (Russian: Бернгард Эдуардович Петри; 17 September 1884 – 25 November 1937) was a Russian anthropologist and archaeologist. Petri organized archeology and ethnographic expeditions to Lake Baikal, while employed by the Kunstkamera during the 1910s. In 1937 Petri was executed by the NKVD during the Great Purge.