Count Joachim von Pfeil (1857-1924) was a German explorer and colonist in Africa and New Guinea.
He was born at Neurode, in Silesia, studied at the gymnasium of Göttingen.
In 1879, after a visit to Europe, he settled in Orange Free State and with Wilson mapped the course of the Limpopo river.
In 1884, having entered the employ of the Society for German Colonization, Pfeil went to East Africa with Carl Peters and Karl Ludwig Jühlke, and in 1886 succeeded the latter as general manager of the company in Somaliland.
This post he resigned in 1887, and entered the service of the New Guinea Company.