The Bombing of Durango took place on 31 March 1937, during the Spanish Civil War. On 31 March 1937 the Nationalists started their offensive against the Republican held province of Biscay. As part of the offensive the Aviazione Legionaria and the Legion Condor bombed Durango, a town of 10,000 inhabitants that was also a key road and railway junction behind the frontline. Around 250 people are believed to have died in the bombing.

Durango is a town and municipality of the historical territory and province of Biscay, located in the Basque Country, Spain. It is the main town of Durangaldea, one of the comarcas of Biscay. Because of its economical activities and population, Durango is considered one of the largest towns in Biscay after the ones that compose the conurbation of Greater Bilbao.