Paul-Marie Masson (9 September 1882 – 27 January 1954) was a French musicologist, music teacher and composer.

A specialist of the lyrical work of Jean-Philippe Rameau, in 1930 he published his thesis on L’Opéra de Rameau,[1][2] which is still a reference work.

Masson has been president of the French association of musicologists Société française de musicologie (1944-1947).

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