Colonel Eduardo Abaroa Hidalgo (October 13, 1838, San Pedro de Atacama – March 23, 1879) was Bolivia's foremost hero of the War of the Pacific (1879–1883), which pitted Chile against Bolivia and Peru. He was one of the leaders of the civilian resistance to the Chilean invasion at the Battle of Topáter.Abaroa was an engineer by trade, working in a silver mine located in the coastal region of Litoral, which Chile took from Bolivia during the War of the Pacific.