William Frederick Hicks-Beach JP (16 July 1841 – 7 September 1923) was the Conservative Party Member of Parliament (MP) for Tewkesbury from 1916 to 1918, having been returned, aged 74, at a by-election in succession to his nephew, Viscount Quenington, who had been killed in action during the First World War.
He was born in Witcombe Park, Gloucestershire, the younger son of Sir Michael Hicks-Beach, 8th Baronet, and his wife Harriett Vittoria (née Stratton). Michael Hicks-Beach, 1st Earl St Aldwyn, was his elder brother. He married firstly 1865 Elizabeth Caroline Tyrwhitt-Drake (1841–1901), by whom he had 5 sons and 3 daughters. His second wife, whom he married 1903, was Emily Susan Christian (1866–1958).
He retired from parliament at the 1918 general election and died in 1923 aged 82.