David Jason Snow (born 1954 in Providence, Rhode Island) is an American composer.

Snow studied composition with Samuel Adler, Warren Benson, and Joseph Schwantner at the Eastman School of Music, Jacob Druckman at the Yale School of Music, and Arthur Berger and Martin Boykan at Brandeis University.

At the Eastman School, Snow was awarded the Sernoffsky, McCurdy, and Howard Hanson prizes in composition; Yale awarded him a Bradley-Keeler Memorial Scholarship and the Frances E. Osborne Kellogg Prize in composition.

Snow's music has been performed in concert by the Ensemble InterContemporain, the American Brass Quintet, the Manhattan Chamber Orchestra, the Eastman Percussion Ensemble, trumpeter Chris Gekker, violinist Penny Thompson Kruse, tubist Jay Rozen, and numerous other ensembles and solo artists.

Snow has also produced recordings of electronic music, such as Larry, the Stooge in the Middle which received Musician magazine's Best Unsigned Band Award and Keyboard magazine's Ultimate Keyboard Competition Prize, and Three Studies for Two Disklaviers.