{{กล่องข้อมูล ความขัดแย้งทางทหาร|combatant3={{flag|United States|1896}}|conflict=Siege of Baler|partof=the [[Philippine Revolution]], [[Spanish–American War]]|image=[[File:Las tropas del teniente coronel Tecsón en Baler (mayo de 1899, La Ilustración Artística, M. Arias y Rodríguez).jpg|270px]]|caption=Filipino troops of Colonel Tecson in Baler, May 1899. Tecson is to the right of the cannon, Novicio to the left.<ref name=Westfall>Westfall, M., 2012, ''The Devil's Causeway'', Guilford: Lyons Press, {{ISBN|9780762780297}}</spanref>{{rp|25}}|date=July 1, 1898 – June 2, 1899|place=[[Baler, Aurora|Baler]], [[Philippines]]|result=Filipino victory<ref>[http://www.philstar.com/opinion/70895/6th-philippine-spanish-friendship-day 6th Philippine-Spanish Friendship Day]</ref> * Baler held beyond official cessation of hostilities and cession of Philippine Islands; * Failure of American relief efforts; * Negotiated armistice after the surrender of the Spanish troops|combatant1={{flag|First Philippine Republic|name=Philippine Republic}}|combatant2={{flagdeco|Spain|1785}} [[Spanish Empire]]|commander1={{flagdeco|First Philippine Republic}} Teodorico Novicio Luna<br>{{flagdeco|First Philippine Republic}} Cirilo Gómez Ortiz{{KIA}}<br>{{flagdeco|First Philippine Republic}} Calixto Villacorta<br>{{flagdeco|First Philippine Republic}} Antonio Santos<br> {{flagdeco|First Philippine Republic}} Simón Ocampo Tecson<br>{{flagdeco|First Philippine Republic}} Nemesio Bartolomé<br>{{flagdeco|First Philippine Republic}} Francisco T. Ponce|commander2={{flagdeco|Spain|1785}} Enrique de Las Morenas y Fossí{{KIA}}<br>{{flagdeco|Spain|1785}} [[Juan Alonzo Zayas]]{{KIA}}<br>{{flagdeco|Spain|1785}}Saturnino Martin Cerezo<br>{{flagdeco|Spain|1785}}Rogelio Vigil|commander3={{flagdeco|United States|1896}} James Gillmore|strength1={{flagdeco|First Philippine Republic}} 800 <ref name=Westfall/>{{rp|19}}|strength2={{flagdeco|Spain|1785}} 50 infantry<br>{{flagdeco|Spain|1785}} 1 officer<br>{{flagdeco|Spain|1785}} 3 priests<ref name=Westfall/>{{rp|112}}|strength3={{flagdeco|United States|1896}} 15 sailors<br>1 [[Cutter (boat)|cutter]]<ref name=Westfall/>{{rp|52}}|casualties1=not defined<br>700 (Spanish claimed){{cn|date=May 2017}}|casualties2=15 dead from disease<br>2 dead from wounds<br>2 executed<br>2 deserted<ref name=Westfall/>{{rp|112}}|casualties3=5 killed<br>10 captured<ref name=Westfall/>{{rp|306}}}}
