Epifanio de los Santos y Cristóbal, sometimes known as Don Pañong or Don Panyong (April 7, 1871 – April 18, 1928), was a noted Filipino historian, journalist, and civil servant. He was regarded as one of the best Filipino writers and a literary genius. He also entered politics, serving as a member of the Malolos Congress from 1898 to 1899 from Nueva Ecija and later as governor of Nueva Ecija from 1902 to 1906. As a lawyer, he was named as the district attorney of San Isidro, Nueva Ecija in 1900 and later as fiscal of the provinces of Bulacan and Bataan. He was named as an assistant technical director of the Philippine Census in 1918. He was appointed Director of the Philippine Library and Museum by Governor General Leonard Wood in 1925, serving until his death in 1928.