Peter DeRose (or De Rose) (March 10, 1900 – April 23, 1953) was a US Hall of Fame composer of jazz and pop music during the Tin Pan Alley era.

DeRose was born in New York City and as a boy exhibited a gift for things musical. He learned to play the piano from an older sister but composing music was a gift that saw him have his first song published at the age of eighteen. After finishing high school (DeWitt Clinton High School), class of 1917, he found a job at a music store as a stock room clerk but a highly successful 1920 composition called "When You're Gone, I Won't Forget" led to his being hired by the New York office of the Italian music publisher G. Ricordi & Co.