Ismael Fernández de la Cuesta (born 1939) is a Spanish vocalist and musicologist specialising in Gregorian chant.
Fernández de la Cuesta was born in the village of Neila, Burgos, Spain.
After a period of study in France, he returned to direct the abbey choir from 1962 to 1973, when he left monastic life.
[2] He was subsequently on the staff of the Madrid Royal Conservatory, where he taught Gregorian Chant until his retirement.
He directed performances of Mozarabic chant with the Santo Domingo de Silos choir in a 1970 recording.