Augustus Laver (born 19 or 20 September 1834 - died 27 March 1898) was a Canadian architect. He worked for Thomas Stent and later designed extensive alterations and additions to Ottawa’s Russell Hotel, entered the 1866 competition to design the New York State capitol at Albany and was awarded one of the premiums, participated with Thomas Fuller, and Arthur Delavan Gilman in planning a revised design. In Albany he partnered with Fuller, but after controversy neither partner saw the project to completion. In 1871 Fuller and Laver won the competition to design the new city hall and law courts for San Francisco. Eight years after Laver's death, the unfinished building was destroyed in the fire following the 1906 earthquake.
Laver was the architect of San Francisco's first brownstone, the neo classical Flood mansion and, not far away, in Oakland, the grand Victorian, Ellen Kenna house.
He was involved with the Royal Institute of British Architects, was president of the Pacific Coast Association of Architects and a fellow of the American Institute of Architects.
Laver was born in Folkestone, England. His father, George Laver, was a leading solicitor and his mother Mary Ann—; m. 9 June 1859 Elizabeth Fox in Dover, England, had twin sons and a daughter. He died on 27 March 1898 in Alameda, California.