Urdiales is a surname. Notable people with the surname include:
Alberto Urdiales (born 1968), Spanish handball player Andrew Urdiales (1964–2018), American serial killer José Raúl Baena Urdiales (born 1989), Spanish footballer
See also Castro Urdiales, is a seaport of northern Spain Urdiales del Páramo, is a municipality located in the province of León, Spain