Hugo Leichtentritt (January 1, 1874, Posen - November 13, 1951, Cambridge, Massachusetts) was a German-Jewish musicologist and composer who spent much of his life in the USA.

Literary works

• R. Keiser in seinen Opern, 1901
• contributor of "Allgemeine Musik-Zeitung"
• contributor of "Musik"
• Geschichte der Motetten, 1908
• Musikalische Formenlehre, 1911
• Music, History and Ideas, 1938
• Music of Western Nation, 1956