Don Juan Álvarez de Lorenzana y Guerrero, 10th Viscount of Barrantes (Oviedo, Principality of Asturias, Spain, 29 August 1818 - Madrid, Spain, 15 July 1883) was a Spanish noble, politician an journalist who served as Minister of State from 1868 to 1869, in a cabinet headed by Francisco Serrano, 1st Duke of la Torre.
In his early political career, Lorenzana was member of the Moderate Party, but the he moved to the Liberal Union and was involvedin the Spanish Glorious Revolution of 1868, which deposed Queen Isabella II and opened a period kwon as The Democartic Sexenium. It was in one of the cabinets for this period when Lorenzana was appointed Minister of State.
In 1874, he was appointed Ambassador of Spain to the Holy See, and after the restoration of King Alfonso XII, held other offices such as Councillor of State, Senator and Deputy, and was awarded with the Grand Crosses of the Orders of Charles III and Isabella the Catholic.
| Political offices | ||
|---|---|---|
| Preceded by The Marquis of Roncali |
Minister of State 8 October 1868 – 18 June 1869 |
Succeeded by Manuel Silvela |