List of Old Portmuthians

List of notable Old Portmuthians - that is, former pupils of The Portsmouth Grammar School. Alumni often join The Old Portmuthian Club, founded in 1885.

Born in the 19th century

• Sir Oscar de Glanville (1867–1942), President of the Legislative Council of Burma
• Roy Horniman (born Robert Horniman) (1868–1930), actor and theatre proprietor
• William Macbride Childs (1869–1939), first vice-chancellor of the University of Reading
• Benjamin Guy Horniman (1873–1948), journalist and supporter of Indian independence
• Major Frank Harvey RMLI (1873–1916), awarded a posthumous Victoria Cross for bravery on board HMS Lion at the Battle of Jutland (1916).
• Cyril Garbett (1875–1955), Archbishop of York (1942–1955)
• Percy F. Westerman (1876–1959), author of children's literature
• Leonard Dawe (1889–1963), English amateur footballer, who later compiled crosswords for the Daily Telegraph newspaper

• David Gammans (1895–1957) Conservative M.P.

Born in the early 20th century

• Wally Hammond (1903–1965), England Cricketer and Captain
• Prof. A. J. Arberry (1905–1969), translator and scholar in Arabic, Persian, and Islamic studies
• Air Chief Marshal Sir Harry Broadhurst (1905–1995), Commander-in-Chief Allied Air Forces Central Europe
• Sir Arthur Young (1907–1979), British and colonial police chief, police reformer
• Harold Hall (1913–2004), civil servant and cricketer
• Michael Ripper (1913–2000), film actor
• Prof. G. E. L. Owen (1922–1982), classicist and philosopher
• Alan Bristow (1923–2009), pilot and founder of Bristow Helicopters
• James Clavell (1924–1994), novelist, screenwriter and director
• Christopher Logue (1926–), critically acclaimed poet
• Sir Malcolm Bates (1934–2009), chairman of London Regional Transport from 1999–2003
• Sir Peter Viggers (1938– 2020) MP for Gosport (1974–2010), gained national press attention during the 2009 expenses scandal for his duck house claim
• Air Chief Marshal Sir Richard Johns (1939–), former Chief of the Air Staff
• Prof. Andrew Lyne (1942–), former Director of Jodrell Bank Observatory
• Major-General David Burden CB CVO CBE (1942–), Military Secretary (1997–1999)
• Fred Dinenage, presenter of ITV's local news programme, Meridian Tonight
• Paul Jones (1942–), singer with Manfred Mann
• Sir Digby William David Cayley, (1944–), 11th Bt., Assistant Master between 1968 and 1973; also Stonyhurst College, Abingdon School and Marlborough College.
• Richard Simonsen, (1945–), athlete
• Richard Bradley, (1946–), archaeologist and academic
• Richard McIlwaine, (1950–), cricketer

Born in the later 20th century

• Ian Osterloh (1960–), Clinical researcher attributed with the creation of 'Viagra' as well as numerous cardiovascular drugs.
• Mel Stride (1961–), MP for Central Devon (2010–present).
• Jock Clear (1963–), Formula One race engineer
• Mike Wedderburn (1964–), TV sports presenter for Sky and Sky Sports News.
• Ed Richards (1965–), Chief Executive of Ofcom.
• Roger Black (1966–), Olympic athlete (silver medalist).
• Andrew Burns (1969-), Royal Navy Admiral.
• James Bobin (1972–), film director, writer and producer; worked as a director and writer on The 11 O'Clock Show, Da Ali G Show and directed The Muppets.
• Dave Holby (1980–), Holder of three British and nineteen world indoor rowing records including the Guinness World Record for fastest solo row around the earth's equator.
• Jake George (1994–), cricketer.
• Robert Gibson (born 1994–), cricketer.

Born in the early 21st century

• Matthew Chedgey (2006-), Pro-Palestine activist and Nobel prize laureate.