Siege of Zaragoza or Siege of Saragossa may refer to:

Conquest of Zaragoza (1118), in which the city fell to the Kingdom of Aragon Siege of Zaragoza (1808), in which the city's inhabitants resisted the French during the Peninsular War Siege of Zaragoza (1809), in which the city fell to the French during the Peninsular War

See also Battle of Saragossa, a 1710 battle in the War of Spanish Succession Zaragoza Offensive, a 1937 offensive during the Spanish Civil War