1651 in Spain
The following are events that took place in 1651 in Spain.
Incumbents
- Monarch: Philip IV
Events
- July: Start of the Siege of Barcelona during the Reapers' War
Births
- Antonio Arbiol y Díez, Franciscan and painter
- Manuel de Oms, 1st Marquis of Castelldosrius, diplomat, man of letters, Viceroy of Peru.
- Cristóbal Hernández de Quintana, baroque painter
- July 12 – Margaret Theresa of Spain, Holy Roman Empress
- December 25 - Pedro Manuel Colón de Portugal, 7th Duke of Veragua,