Gulielmo IV del Regno Unite
Sexo	mascule
Nascentia	1765-08-21 (Buckingham Palace)
Decesso	1837-06-20 (Windsor Castle)
Causa de decesso	infarcto del myocardio
Loco de reposo	St George's Chapel, Windsor[*]
Citatania	United Kingdom of Great Britain and Ireland[*], Kingdom of Hanover[*], Kingdom of Great Britain[*]
Occupation	monarcha[*], politico[*], naval officer[*]
Religion	Anglicanismo
Conjuge	Adelaide of Saxe-Meiningen[*]
Infantes	George FitzClarence, 1st Earl of Munster[*], Sophia Sidney[*], Mary Fox[*], Elizabeth Hay, Countess of Erroll[*], Augusta FitzClarence Kennedy-Erskine[*], Amelia Cary[*], Princess Charlotte of Clarence[*], Princess Elizabeth of Clarence[*], William Henry Courtnay[*], Henry FitzClarence[*], Frederick FitzClarence[*], Adolphus FitzClarence[*], Augustus FitzClarence[*], stillborn child Hanover[*], stillborn son Hanover[*], stillborn son Hanover[*], stillborn son Hanover[*]
Parentes	matre Charlotte of Mecklenburg-Strelitz[*] patre Georgio III del Regno Unite
Fratres/sorores	Princess Elizabeth of the United Kingdom[*], Princess Mary of the United Kingdom[*], Princess Augusta Sophia of the United Kingdom[*], Princess Sophia of the United Kingdom[*], Princess Amelia of the United Kingdom[*], Charlotte, Princess Royal[*], Georgio IV del Regno Unite, Prince Edward, Duke of Kent and Strathearn[*], Ernst August II of Hanover[*], Prince Octavius of Great Britain[*], Prince Frederick, Duke of York and Albany[*], Prince Alfred of Great Britain[*], Prince Adolphus, Duke of Cambridge[*], Prince Augustus Frederick, Duke of Sussex[*]
Premios	Knight of the Order of the Holy Spirit[*], Knight of the Order of Saint-Michel[*], Order of the Black Eagle[*], Order of St. Andrew[*], Order of the Garter[*], Order of the Thistle[*], Order of the Elephant[*], Fellow of the Society of Antiquaries[*], Order of the Holy Spirit[*], Knight Grand Cross of the Order of the Bath[*]
Signatura
Identificatores
ISNI	000000006658031X
VIAF	265993441, 5257152684021723430009
Commons	William IV of the United Kingdom

Gulielmo IV (in anglese William IV, 21 de augusto 1765 – 20 de junio 1837) esseva le rege del Regno Unite e de Hannover ab 1830 usque su morte. Ille veniva del Dynastia Hannover.

Gulielmo esseva le tertie filio de Georgio III. Ille serviva in le Royal Navy durante su juventute et esseva supernominarea le Sailor King (marinero-rege). Su fratres plus vetere moriva sin infante vivente e legitime, e dunque ille succedeva Georgio IV in 1830. Su regno de septe annos videva alcun reformas importante: un nove lege de povressa, restrictiones del travalio per infantes, le abolition del sclavitude in quasi toto le Imperio Britannic e le Acta de Reforma 1832, que reformava electiones et expandava le electorato. Gulielmo non interveniva in politica si sovente que su patre e fratre. Totevia, ille esseva le final monarcha britannic qui nominava un prime ministro contrari al voluntate del Parlamento. Ille donava Hannover un constitution liberal, que su successor Ernesto revocava.

Su duo infantes legitimate moriva ante ille. Ille habeva dece infantes illegitimate, inclusive octo con le actrice Dorothea Jordan. Ille cohabitava con illa durante vinti annos. Tarde in su vivo, ille maritava Adelaide de Saxe-Meiningen. Ille esseva succedite in le Regno Unite per su nepta Victoria. Hannover non permitteva monarchas femininin, dunque ille esseva succedite in Hannover per su fratre juvene, Ernesto Augusto.