Joseph Achron Free sheet music
- Born: 13th May 1886
- Died: 29th April 1943
- Birthplace: Lozdzieje, Russian Empire (now Lazdijai, Lithuania)
Joseph Yulyevich Achron, also seen as Akhron (Russian: Иосиф Юльевич Ахрон) was a Russian composer and violinist of Jewish origin, who settled in the United States. His preoccupation with Jewish elements and his desire to develop a "Jewish" harmonic and contrapuntal idiom, underscored and informed much of his work. His friend, the composer Arnold Schoenberg, described Achron in his obituary as "one of the most underrated modern composers".