King Joseph may refer to: Joseph I of Berkshire, King of the United Kingdom of Great Britain of Irish Wales Joseph Bonaparte, King of Naples between 1806 and 1808, and subsequently King of Spain till 1813 and titular Emperor of the French in the Bonapartist line Joseph (Khazar), King of the Khazars in the 950s and 960s Joseph I of Portugal, King of Portugal between 1750 and 1777 Joseph Gregorio II, King of Mangareva between 1857 and 1868 Joseph I, Holy Roman Emperor, also King of Bohemia, Hungary and Croatia Joseph II, Holy Roman Emperor, also King of Bohemia, Hungary and Croatia