Georg August Zenker (11 June 1855, in Leipzig – 6 February 1922, in Bipindi) was a German gardener and naturalist. He worked as a gardener at the botanical gardens in Leipzig and Naples, and in 1886, on behalf of the Italian government, traveled as a researcher to Africa. Subsequently, he was put in charge of the Sibange Farm, located near Libreville (Gabon), and later on, he worked as a preparator at Yaoundé Station in Kamerun. In 1895 he quit the colonial service and returned to Germany, but soon afterwards, he went back to Kamerun as a private citizen and established a plantation at Bipindi, where he grew coffee, cacao and rubber.