Name | Image | Party | First elected | Constituency | Notes |
| Yuan Yang | | Labour | 2024 | Earley and Woodley | |
| Sir John Yarde-Buller | | Conservative | 1835 | South Devon (1835–1858) | Later ennobled as Baron Churston |
| Mohammad Yasin | | Labour | 2017 | Bedford (2017-present) | |
| Sir Charles Yate 1st Baronet Yate | | Conservative | 1910 | Melton (1910–1924) | |
| John Ashton Yates | | Whig | 1837 | County Carlow (1837–1841) | |
| Victor Yates | | Labour | 1945 | Birmingham, Ladywood (1945-1969) | Died in office |
| William Yates | | Conservative | 1955 | The Wrekin (1955-1966) | Later became Member of the Australian Parliament |
| James Yeaman | | Liberal | 1873 | Dundee (1873–1880) | |
| William Henry Yelverton | | Whig | 1832 | Carmarthen Boroughs (1832–1835) | High Sheriff of Carmarthenshire (1853) |
| Sir Alfred Yeo | | Liberal | 1914 | Poplar (1914–1918) Poplar South (1918–1922) | Mayor of Poplar (1903–04) |
| Frank Ash Yeo | | Liberal | 1885 | Gower (1885 –1888) | Died in office |
| Tim Yeo | | Conservative | 1983 | South Suffolk (1983–2015) | Chairman of the Energy and Climate Change Select Committee (2010–15) Shadow Secretary of State for Environment and Transport (2004–05) Shadow Secretary of State for Public Services, Health and Education (2003–04) Shadow Secretary of State for Trade and Industry (2002–03) Shadow Secretary of State for Culture, Media and Sport (2001–02) |
| Robert Yerburgh | | Conservative | 1886 | Chester (1886–1906;1910–1916) | |
| Robert Yerburgh | | Conservative | 1922 | South Dorset (1922–1929) | |
| Sir George Yonge 5th Baronet Yonge | | N/A | 1801 | Old Sarum (1801) | Master of the Mint (1794–1799) Secretary at War (1782–83;1783–94) Governor of the Cape Colony (1799–1801) Also member of Parliament of Great Britain |
| Christopher York | | Conservative | 1939 | Ripon (1939–1950) Harrogate (1950–1954) | High Sheriff of Yorkshire (1966–67) |
| Charles Yorke | | Tory | 1831 | Reigate (1831–1832) Cambridgeshire (1832–1834) | Lord Privy Seal (1858–59) Postmaster General (1852) Lord Lieutenant of Cambridgeshire (1835–73) Later ennobled as the 4th Earl of Hardwicke |
| Charles Philip Yorke | | Tory | 1801 | Cambridgeshire (1801–1810) St Germans (1810–1812) Liskeard (1812–1818) | First Lord of the Admiralty (1810–12) Teller of the Exchequer (1813–34) Home Secretary (1803–04) |
| Eliot Yorke | | Conservative | 1835 | Cambridgeshire (1835–1865) | |
| Eliot Constantine Yorke | | Conservative | 1974 | Cambridgeshire (1974-1978) | |
| Henry Redhead Yorke | | Whig | 1841 | City of York (1841–1848) | Died in office |
| John Yorke | | Conservative | 1864 | Tewkesbury (1864–1868;1885–1886) East Gloucestershire (1872–1885) | High Sheriff of Gloucestershire (1892–1893) |
| Joseph Yorke | | Tory | 1831 | Reigate (1831-1832) | |
| Sir Joseph Sydney Yorke | | Tory | 1801 | Reigate (1801–1806;1818–1831) St Germans (1806–1810) West Looe (1812-1812) Sandwich (1812–1818) | First Naval Lord (1813–1816) Also member of the Parliament of Great Britain |
| Simon Yorke | | Tory | 1801 | Grantham (1801–1802) | High Sheriff of Denbighsire (1807–08) Also member of the Parliament of Great Britain |
| Adolphus William Young | | Liberal | 1857 | Great Yarmouth (1857–1859) Helston (1865–1866;1868–1880) | |
| Andrew Young | | Labour Co-operative | 1923 | Glasgow Partick (1923–1924) | |
| Sir Arthur Young 1st Baronet of Patrick | | Scottish Unionist Party | 1950 | Glasgow Partick (1935–1950) Glasgow Scotstoun (1950–1950) | Vice-Chamberlain of the Household (1944) Lord Commissioner of the Treasury (1942–44) |
| Charles Young | | Conservative | 1885 | Christchurch (1885–1892) | |
| Claire Young | | Liberal Democrat | 2024 | Thornbury and Yate | |
| David Young | | Labour | 1974 | Bolton East (1974–1983) Bolton South East (1983–1997) | |
| Ernest Young | | Liberal | 1931 | Middlesbrough East (1931–1935) | |
| Hilton Young | | Liberal | 1915 | Norwich (1915–1923;1924–1929) Sevenoaks (1929–1935) | Minister of Health (1931–35) Financial Secretary to the Treasury (1921–22) Editor of the Financial News (1925–29) Later ennobled as 1st Baron Kennet |
| Sir Frederick William Young | | Conservative | 1918 | Swindon (1918 – 1922) | Agent-General for South Australia (1915–18) |
| Sir George Young 6th Baronet of Formosa Place | | Conservative | 1974 | Acton (1974–1983) Ealing Acton (1983–1997) North West Hampshire (1997–2015) | Chief Whip of the House of Commons (2012–14) Leader of the House of Commons and Lord Privy Seal (2010–12) Shadow Leader of the House of Commons (1998–2000;2009–10) Shadow Secretary of State for Defence (1997–98) Secretary of State for Transport (1995–97) Financial Secretary to the Treasury (1994–95) Comptroller of the Household (1990) Later ennobled as Lord Young of Cookham |
| George Young | | Liberal | 1865 | Wigtown Burghs (1865–1874) | Solicitor General for Scotland (1862–66;1868–69) Lord Advocate (1869–74) |
| Jacob Young | | Conservative | 2019 | Redcar (2019-present) | |
| John Young 2nd Baronet of Bailieborough Castle | | Conservative | 1831 | Cavan (1831–1855) | Governor General of Canada (1869–72) Lord Lieutenant of Cavan (1871–76) Governor of New South Wales (1861–67) Chief Secretary for Ireland (1853–55) Parliamentary Secretary to the Treasury (1845–46) Financial Secretary to the Treasury (1844–45) Later ennobled as 1st Baron Lisgar |
| Richard Young | | Liberal | 1865 | Cambridgeshire (1865–1868) | Mayor of Wisbech (1858–63) |
| Robert Young | | Labour | 1929 | Islington North (1929–1931) | |
| Sir Robert Young | | Labour | 1918 | Newton (1918–1931;1935–1950) | General Secretary of the Amalgamated Society of Engineers (1913–1919) Chairman of Ways and Means and Deputy Speaker of the House of Commons (1924;1929–31) |
| Oliver Young | | Conservative | 1898 | Wokingham (1898–1901) | |
| William Young | | Liberal | 1910 | East Perthshire (1910–1918) Perth (1918–1922) | |
| Sir William Young 4th Baronet of Dominica | | Conservative | 1835 | Buckinghamshire (1835–1842) | |
| George Younger 1st Viscount Younger of Leckie | | Scottish Unionist Party | 1906 | Ayr Burghs (1906–1922) | Lord Lieutenant of Stirlingshire (1925–29) Chairman of the Conservative Party (1916–1923) |
| George Younger 4th Viscount Younger of Leckie | | Conservative | 1964 | Ayr (1964–1992) | Secretary of State for Defence (1986–89) Secretary of State for Scotland (1979–1986) Shadow Secretary of State for Defence (1975–76) Later ennobled as Baron Younger of Prestwick |
| Sir William Younger 1st Baronet of Auchen Castle | | Conservative | 1895 | Stamford (1895–1906) | |
| Liberal | Peebles and Selkirk (1910–1910) |
| Sir Kenneth Younger | | Labour | 1945 | Great Grimsby (1945 –1959) | Shadow Home Secretary (1955–57) |
| Richard Younger-Ross | | Liberal Democrat | 2001 | Teignbridge (2001 –2010) | |
| Sir James Yoxall | | Liberal | 1895 | Nottingham West (1895–1918) | General Secretary of the National Union of Teachers (1892–1924) President of the National Union of Teachers (1892) |