Hermann Heinrich Vedder (born 3 July 1876 in , Westphalia, Germany; died 26 April 1972 in Okahandja, South-West Africa) was a German missionary, linguist, ethnologist and historian. Originally a silk weaver, he received missionary training by the Rhenish Missionary Society in Barmen between 1894 and 1903, whereafter he was sent to German South West Africa in 1905 and worked as a missionary and teacher trainer until his retirement, first for the black workers and prisoners-of-war in Swakopmund, then at the small mission station Gaub in the Otavi Mountains, and from 1922 onwards in Okahandja, where he taught at the Augustineum school.