From Wikipedia - Reading time: 6 min
- July 12 – José Castillo (Spanish Civil War), police officer (born 1901)
- July 13 – José Calvo Sotelo, jurist and politician (born 1893)
- July 20 – José Sanjurjo, military officer (born 1872) and Francisco Ascaso, political activist (born 1901)
- July 30 – Joaquín Abati, writer (born 1865)
- August 4 – Antonio Azarola y Gresillón, naval officer (born 1874)
- August 5
- August 8 – Ceferino Giménez Malla, Roman Catholic activist (born 1861)
- August 11 – Blas Infante, politician and writer (born 1885)
- August 12
- August 17 – José María of Manila, Catholic priest (born 1880) and Alexandre Bóveda, politician (born 1903)
- August 19 – Federico García Lorca, poet and playwright (born 1898)
- August 22 – Melquíades Álvarez (politician) (born 1864)
- August 23 – Julio Ruiz de Alda Miqueleiz, aviator (born 1897) and José María Albiñana, physician and politician (born 1883)
- August 31 – Joaquín Milans del Bosch, military officer (born 1854)
- September 5 – Federico Borrell García, militiaman (born 1912)
- September 29 – Alfonso Beorlegui Canet, army officer (born 1888)
- October 2 – Bartolomé Blanco, Catholic activist (born 1914)
- October 29 – Ramiro de Maeztu, writer and diplomat (born 1875) and Ramiro Ledesma Ramos, philosopher and politician (born 1905)
- November 20 – Buenaventura Durruti, revolutionary (born 1896) and José Antonio Primo de Rivera, politician (born 1903)
- November 28 – Pedro Muñoz Seca, playwright (born 1879)