Louis Andlauer (7 September 1876 â 18 July 1915) was a French composer and organist.
Born in Honfleur, the son of Auguste Andlauer, (pupil of Jacques-Nicolas Lemmens, and organist at ,) Louis Andlauer won a First prize of organ in the classes of Alexandre Guilmant and Charles-Marie Widor in 1901. Louis Andlauer wrote organ and harmonium pieces, three masses, a cantata, religious motets and several songs.
Organist and director of music at the Parisian church of Saint-ÃÂloi, he was also a substitute for Louis Vierne from 1912 to 1914 at the organ of Notre-Dame de Paris. During the Great War he became a sergeant in the , and was killed at the front line on 18 July 1915 at Marà Âuil (Pas-de-Calais).