William Robert Galbraith (7 July 1829 – 5 October 1914) was a civil engineer in the United Kingdom during the late 19th and early 20th centuries. He was employed by the London and South Western Railway as a consulting engineer for over 40 years, overseeing the design and construction of nearly all that company's new lines between 1862 and his retirement in 1907.
In 1892 he formed an engineering consultancy with R.F. Church. As Galbraith & Church they undertook numerous projects for other railways besides the LSWR, including the Baker Street and Waterloo Railway which became known as London Underground's Bakerloo line. In total he designed and oversaw the construction of over 14 miles of London's underground railways). In the 1890s Galbraith was the North British Railway's Parliamentary Consultant, acting as a resident expert and adviser during Parliamentary hearings on the company's engineering projects).
His projects include:
Marshall, J Biographical Dictionary of Railway Engineers, 2nd Edition, Railway & Canal Historical Society, London.