Walter Mourant (1910-1995) was an American composer and arranger, primarily active in the mid-20th century. Known for his sophisticated harmonic language and elegant orchestration, Mourant contributed to various musical settings, from classical to commercial. His jazz arrangements, though limited in number, are characterized by their rich textures and thoughtful counterpoint, reflecting a deep understanding of both classical composition and the evolving jazz idiom. His work often showcased a blend of traditional melodicism with modern harmonic adventurousness.