August von Hayek (14 December 1871 – 11 June 1928) was an Austrian physician and botanist born in Vienna. He was the son of naturalist Gustav von Hayek and the father of economist Friedrich Hayek (1899–1992). In 1895 he obtained his medical doctorate from the University of Vienna. Soon, he was employed by the municipal ministry of health. He obtained his PhD in 1905. Beginning in 1922, he taught classes at the Hochschule für Bodenkultur in Vienna, and from 1926, he was an associate professor at the university. He died in 1928 in Vienna. He was married to Felicitas von Juraschek.