Ferdinand Albin Pax (26 July 1858 – 1 March 1942) a German botanist and entomologist specializing in Lepidoptera, Diptera, and spermatophytes. He described several species. Pax was born 26 July 1858 in Dvůr Králové nad Labem, in what was then known as Bohemia. He became a professor of botany and zoology at the University of Wrocław, and died on 1 March 1942 in Wroclaw, which at the time was part of Prussia.