Walter Gill FLS (13 October 1851 – 17 July 1929) was a forestry administrator in South Australia.
Walter Gill, Independent minister in Parkstone, Dorset, England.
He joined the South Australian Public Service in August 1884 as sub-inspector of credit selections, then in 1886 was appointed chief forester at Wirrabara.
Gill married Elizabeth Frances Hiddlestone (c. 1862 – 31 January 1916) of Launceston, Tasmania on 12 October 1885.
Tom Gill ISO (1849–1923), Under-treasurer of South Australia for many years, has been described as a brother.