List of revocations of appointments to orders and awarded decorations and medals of the United Kingdom

Anyone who behaves in a way that might bring an order, decoration or medal into disrepute may have the award revoked (cancelled).
Victoria Cross
1861: Valentine Bambrick (awarded 1858), following his conviction for assault and theft of a comrade's medals.
1861: Edward St John Daniel (awarded 1854?), following his conviction for desertion and evading court martial.
1872: Michael Murphy (awarded 1858?), following his conviction for theft.
1881: Thomas Lane (awarded 1860?), following his conviction for desertion and theft.
1884: Frederick Corbett (awarded 1882?), following his conviction for embezzlement and theft from an officer.
1895: James Collis (awarded 1881), following his conviction for bigamy.
?: James McGuire (awarded 1858), following his conviction for stealing a cow.
?: George Ravenhill (awarded 1901), following his conviction for theft.
Order of the Bath
KB
1814: Thomas Cochrane, Lord Cochrane (appointed 1809; later appointed a GCB in 1847 after the 1815 reforms)
GCB
1816: Eyre Coote (appointed 1815)
1940: Benito Mussolini (1883-1945) (appointed 1923)
1989: Nicolae Ceausescu
2008: Robert Gabriel Mugabe (appointed 1994)
CB
1975: William George Pottinger (appointed 1972), following his conviction for corruptly receiving gifts from the architect John Poulson (CVO also revoked)
Order of the British Empire
KBE
1980: Albert Royle Henry (appointed 1974), following his conviction for electoral fraud.
DBE
2011: Jean Else (appointed 2001), following a General Teaching Council misconduct hearing banning her from running a school.
CBE
1921: Basil John Blenkinsop Coulson (appointed 1920)
1940: Vidkun Abraham Lauritz Jonsson Quisling (appointed 1929), following his collaboration with Nazi Germany in the occupation of Norway.
1967: Thomas Chambers Windsor Roe (appointed 1953)
1975: John Alan Maudsley (appointed 1970)
1977: George Wilfred Newman (appointed 1966)
1990: Edmund Alexander Rouse (appointed 1987) following his conviction for bribery.
1991: Isidore Jack Lyons (appointed 1967) following his conviction for fraud; also stripped of his knighthood.
2000: John Kevin Ashcroft (appointed 1989) following his conviction for breach of fiduciary duties.
2001: Frederick Alfred John Emery-Wallis (appointed 1999), following his conviction for sexual abuse.
2005: (William) James "Jim" Speechley (appointed 1992) following his conviction for misconduct in a public office.
OBE
1921: Cecil Malone (appointed 1919), following his conviction under the Defence of the Realm (Acquisition of Land) Act 1920
1922: Reginald Stuart Lindsell (appointed 1919)
1922: Arthur Henry Jolliffe (appointed 1919)
1924: Hugh Lidwell Flack (appointed 1919)
1924: Charles James Napier (appointed 1919)
1924: Frank Carlyle Kieller Mitchell (appointed 1918)
1925: Ernest Brooks (appointed 1920) Also stripped of BEM
1926: James Christie (appointed 1919) Also stripped of military rank
1947: Philip Henry Tedman (appointed 1945), former Lieutenant Colnel, after being dismissed from the Royal Canadian Artillery following conviction by a Field General Court-Martial
1947: William Stewart (appointed 1945) Lieutenant Colonel, Royal Army Service Corps, dismissed by a Court Martial
1949: Hugh Murray (appointed 1944) after being cashiered by a court martial
1949: Man Wai Wong (appointed 1947), following his conviction for outlawry (directing bandits) in Malaya.
1950: Louis Pedretti (appointed 1944) Cashiered by General Court martial.
1950: Alan Lennox Thomson Naish RAF reserve officer, convicted by a civil court (appointed 1946)
1954: John Hutton RAF Voluntary Reserve officer, convicted by a civil court (appointed 1946)
1961: Stephen Mackenzie (appointed 1949) Royal Army Medical Corps Officer, dismissed after conviction by a court martial
1965: Harold Adrian Russell "Kim" Philby (appointed 1946), following his exposure as a spy.
1966: William Gordon Tong (appointed 1960)
1979: David Tempest (appointed 1969)
1979: Frank Percival Nurdin Lieutenant Colonel (appointed 1969)
1988: Lester Keith Piggott (appointed 1975), following his conviction for tax fraud.
1993: George Walter Hodgson (appointed 1983)
1994: James Taylor (appointed 1982)
1995: Anthony Leslie Horton (appointed 1989), former Commander, Royal Navy
1997: Richard Stuart Lines (appointed 1990) following his conviction for fraud.
2001: Philippe Anthonie
David Le Roux (appointed 1990), following his conviction under the Financial Services Act 1986.