Neal Zaslaw (born June 28, 1939) is an American musicologist.
Born in New York, Zaslaw graduated from Harvard in 1961 with a BA and obtained his master's from Juilliard in 1963.
He played flute in the American Symphony Orchestra under Leopold Stokowski from 1962 to 1965.
Zaslaw's early work dealt with performance practice, especially tempo and ornamentation with respect to French and Italian styles.
In 1993, he was named the principal editor of the revised Köchel catalogue.