Henry Ernest Fuller (13 August 1867 – 18 February 1962), generally known as H. E. Fuller, was an architect in South Australia.
He was born in Adelaide, a son of Henry Robert Fuller (1825–1905), mayor of Adelaide 1866–1869 and member of both houses of State parliament. He was educated at Hahndorf College and Prince Alfred College. He was articled to architect Isidore George Beaver for four years from 1884, and on graduating worked for the firm of Wright, Reed, & Beaver as a draftsman, then with architect E. H. Bayer. He took a year off to study at Adelaide's School of Design. In 1891 he was appointed chief draftsman for Alfred Wells. In 1896 he went into practice on his own account, collaborating with Hedley Allen Dunn on a design for the new YWCA building (not adopted) in 1899, and the Adelaide Stock Exchange, which was built in 1901. From 1911 to 1913 he was in partnership with Alfred Barham Black.
Henry Ernest Fuller married Margaret Jessie Sunter ( – 14 October 1951) on 10 January 1893; they lived at "Lauriston", Kent Town, then "Lauriston", Eastwood. Their children were: