Charlotte M. Blake (May 30, 1885 – August 21, 1979) was an American composer of waltzes, marches and ragtime.
Blake was the oldest of six children born to Edward and Caroline Blake of Ohio. At age 18, she got a job as a writer and arranger for Jerome H. Remick. Her first published composition, "King Cupid" appeared in 1903. After retiring from the music business, she worked as a clerk at Douglas Aircraft Company for two decades.