Gonzalo de Berceo (ca. 1197 – before 1264) was a Castilian Spanish poet born in the Riojan village of Berceo. He is celebrated for his poems on religious subjects. He wrote in a style of verse which has been called Mester de Clerecía. He is believed to be the first Castilian poet known by name.
Books he wrote
- Works about the Virgin Mary: Loores de Nuestra Señora, Duelo que fizo la Virgen and Milagros de Nuestra Señora.
- Lives of saints: Vida de San Millán, Vida de Santo Domingo de Silos, Poema de Santa Oria and El martirio de San Lorenzo.
- Doctrinal works: De los signos que aparecen antes del Juicio Final and Del sacrificio de la misa.