William Henry Walsh (1823–1888) was an Australian pioneer pastoralist or squatter and politician in early Queensland.
He was a Member of the New South Wales Legislative Assembly from 1859 to 1860, Member of the Queensland Legislative Assembly from 1865 to 1878, and a Member of the Queensland Legislative Council, from 1879-1888.
He was the Queensland Minister of the Crown from 1870 to 1873, Speaker in the Queensland Legislative Assembly from 6 January 1874 to 20 July 1876.