Don Eugenio Daza y Salazar (November 15, 1870 – December 16, 1954) is a Filipino principale (nobleman) recognized by the National Commission for Culture and the Arts (NCCA) as the first maestro (teacher) in the Samar province. He was both an infantry major and procurement officer in the Philippine Republican Army during the Philippine-American War. He was area commander of General Lukbán's forces for Southeastern Samar and overall commander and tactician of the Battle of Balangiga.