Nat Pierce, born Nathaniel Pierce Blish Jr. on July 16, 1925, in Somerville, Massachusetts, was an American jazz pianist, composer, and arranger. After studying at the New England Conservatory and working as a musician in the Boston area, Pierce led his own band from 1949 to 1951. He later worked with the band of Woody Herman from 1951 to 1966 as chief arranger and assistant tour manager. Afterward, he settled in New York City and collaborated with musicians including Pee Wee Russell and Lester Young. In 1975, Pierce co-founded the Capp-Pierce Juggernaut with Frank Capp, which performed until the 1990s. His compositions were predominantly written for big bands. He also arranged music for the CBS television special The Sound of Jazz. Pierce died on June 10, 1992, in Los Angeles, California.