The Battle of Ica or Disaster at Macacona was a battle during the Peruvian War of Independence, which occurred on 7 April 1822 at the Hacienda Macacona near Ica, between the Liberation Army of Peru under command of Peruvian General Domingo Tristán, and the Royalist Army under Gen. Brigadier José de Canterac.

On 21 August 1820, a Liberation Expedition from Chile set sail from Valparaiso and landed on 7 September 1820 south of Lima.

José de San Martín appointed Domingo Tristán, a Spanish general who had just defected to the Patriots, as commander of a force to monitor the movements of the Royalist troops.

[1] Canterac decided to attack the Patriot troops at Ica and advanced from Jauja on 26 March at the head of some 1500 infantry, 600 cavalry and 3 fieldguns.

[2] Upon his arrival in Lima, Tristán was tried by court-martial for his responsibility in the disaster and, although he was acquitted, he never returned to active service in the army.