William Wickham (civil servant)

William Wickham
Portrait of William Wickham
Under-Secretary of State for the Home Department
In office
1798–1801
MonarchGeorge III
Prime MinisterWilliam Pitt the Younger
Preceded byCharles Greville
Succeeded byEdward Finch Hatton
Chief Secretary for Ireland
In office
1802–1804
MonarchGeorge III
Prime MinisterHenry Addington
Preceded byCharles Abbot
Succeeded bySir Evan Nepean, Bt
Personal details
Born(1761-11-11)11 November 1761
Cottingley
Died22 October 1840(1840-10-22) (aged 78)
NationalityBritish
Alma materChrist Church, Oxford

William Wickham PC PC (Ire) (11 November 1761 – 22 October 1840) was a British spymaster and a director of internal security services during the French Revolutionary Wars. He was credited with disrupting radical conspiracies in England but, appointed Chief Secretary for Ireland, failed in 1803 to anticipate a republican insurrection in Dublin. He ended his career in government service in 1804, resigning his post in Ireland where, privately, he denounced government policy as unjust and oppressive.