Gilles Cantagrel (born 20 November 1937) is a French musicologist, writer, lecturer and music educator.

Artistic advisor to the director of France Musique, he was vice-president of the musical commission of the European Broadcasting Union.

A teacher, lecturer, and animator, he took part in 1985 in the creation of the classical music fair "Musicora".

He is chevalier de la Légion d'honneur, commandeur des Arts et Lettres, cross of the Order of Merit of the Federal Republic of Germany and holder of the golden distinction of the province of Vienna (Austria).

A renowned expert of Leipzig's cantor and his time, he regularly participates in many festivals in France, Switzerland and Quebec.