Harcourt, Lewis (1863 - 1922)1st Viscount HarcourtLiberal MP for Rossendale 1904-17First Commissioner of Works 1904-10, 1915-16, Secretary of State for the Colonies 1910-15
Harcourt, Sir William (1827 - 1904)Liberal MP for Oxford 1868-80, Derby 1880-95, West Monmouthshire 1895-1904Leader of the Liberal Party 1896-98Home Secretary 1880-85, Chancellor of the Exchequer 1886, 1892-95
Harmsworth, Cecil (1st Baron Harmsworth) (1869 - 1948)Liberal MP for Droitwich 1906-Jan 1910; Luton 1911-22Under Secretary of State at the Home Office 1915; Under Secretary of State at the Foreign Office 1919-22
Hemmerde, Edward (1871 - 1948)Liberal MP for East Denbighshire 1906-10, North West Norfolk 1912-18; Labour MP for Crewe 1922-24
Hooson, Emlyn (1925 - 2012)Baron HoosonLiberal MP for Montgomeryshire 1962-79Leader of the Welsh Liberal Party 1966-79, President of the Welsh Liberal Party 1983-85 l
Horabin, Tom (1896 - 1956)Liberal MP for North Cornwall 1939-47, Labour MP for North Cornwall 1947-50Liberal Chief Whip 1945-46
Hore-Belisha, Leslie (1893 - 1957)1st Baron Hore-BelishaLiberal/National Liberal MP for Plymouth Devonport 1923-45Financial Secretary to the Treasury 1932-34, Minister of Transport 1934-37, Secretary of State for War 1937-40
Horwood, Martin (1962 - )Liberal Democrat MP for Cheltenham 2005-15, MEP for South West England 2019-20
Howarth, David (1958 - )Liberal Democrat MP for Cambridge 2005-10Fellow in Law and Lecturer in Land Economy and Cambridge City Councillor and member of the Liberal Democrats Federal Policy Committee
Howells, Geraint (1925 - 2004)Baron GeraintLiberal MP for Cardigan 1974-83, Liberal/Liberal Democrat MP for Ceredigion & Pembroke North 1983-92
Hughes, Simon (MP) British politician and Liberal Democrat Member of Parliament for North Southwark and Bermondsey