List of battles of the Paraguayan War
| Paraguayan War | |||||||
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| Belligerents | |||||||
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Allied Forces: • Empire of Brazil • Argentina • Uruguay  | Paraguay | ||||||
- Battle of the Riachuelo – 11 June 1865
 - Battle of Paso de Mercedes - 11 August 1865
 - Battle of Paso de Cuevas - 12 August 1865
 - Battle of Yatay – 17 August 1865
 - Battle of Pehuajó or Corrales or Itati - 31 January 1866
 - Battle of Estero Bellaco – 2 May 1866
 - Battle of Tuyutí or Tuiutí – 24 May 1866
 - Siege of Uruguaiana or Uruguayana – August/September 1865.
 - Battle of Boquerón - 16 July 1866
 - Battle of Curuzú - 1–3 September 1866
 - Battle of Curupayty or Curupaiti – 22 September 1866
 - Battle of Arroyo Hondo - 3 August 1867
 - Battle of Tuyú Cué - 11 August 1867
 - Passage of Curupayty – 15 August 1867
 - Battle of Tatayibá - 21 October 1867
 - Battle of Potrero Obella - 28 October 1867
 - Battle of Tuyutí (second) - 3 November 1867
 - Siege of Humaitá – November, 1866 until August 1868
 - Passage of Humaitá – 19 February 1868
 - Battle of Surubí - 23 September 1868
 - Battle of Ytororó or Itororó – 6 December 1868
 - Battle of Avay or Avahy – 11 December 1868
 - Pikysyry maneuver - 21 December 1868
 - Battle of Lomas Valentinas or Ita Ybate – 21–27 December 1868, fought in two days.
 - Battle of Piribebuy or Peribebuí – 12 August 1869
 - Battle of Acosta Ñu or Campo Grande – 16 August 1869
 - Battle of Cerro Corá – 1 March 1870