Alexandre Eugène Cellier (17 June 1883 in Molières-sur-Cèze – 4 March 1968 in Paris) was a French organist and composer.
In 1908, he won the first prize for organ at the Conservatoire de Paris.
He was the organist Titulaire of the Temple de l'Étoile in Paris from 1910 until his death in 1968.
In Louis Vierne's biography Mes Souvenirs, he describes Alexandre Cellier as a "cultivated musician" with improvisation skills.
[citation needed] He wrote a book about organ registration and is known as the French translator of the texts of the Bach Chorales.