Jerrold Lewis Bock (November 23, 1928 – November 3, 2010) was an American musical theater composer. He received the Tony Award for Best Musical and the Pulitzer Prize for Drama with Sheldon Harnick for their 1959 musical Fiorello! and the Tony Award for Best Composer and Lyricist for the 1964 musical Fiddler on the Roof with Sheldon Harnick.