Walter Olmo (28 November 1938, Alba, Piedmont, Italy – 16 May 2019) was an Italian musician and composer. In 1957 he wrote Towards a Conception of Musical Experimentation (Pour un concept d'expérimentation musicale). He advocated avant-garde electronic and contemporary music. In his 1975 he published the essay La fine della preistoria musicale (The End of Musical Prehistory).
During the 1980s, he was a lecturer at the Licinio Refice Conservatory Frosinone.