Alfonso de Castilla y Molina

Arms of the infante Alfonso de Castilla y Molina.
Ataúd of the infante Alfonso de Castilla. Museo de Valladolid.

Alfonso de Castilla y Molina (1286 in Valladolid – 1291 in Valladolid) was a Spanish noble in the service of the Kingdom of Castile. He was an Infante de Castilla, son of King Sancho IV de Castilla, King of Castile and of his wife, the Queen María de Molina.