Harry Francis Anstey (24 July 1847 – 6 July 1927) was a metallurgist and gold prospector who led the prospecting expedition that discovered gold in the Yilgarn, leading to the gold rush that established Western Australia's Eastern Goldfields. Born in England in 1847, Anstey was educated at Rugby from 1863 to 1865. In 1877, he was living in Earl's Court, Kensington, Middlesex and working as a civil engineer; that year he married Edith Euphemia Carnegie. Anstey arrived in Western Australia on the in June 1887, and set up a metallurgical laboratory in Perth.