Gayla Rienette Peevey (born March 8, 1943) is a former singer and child star from Oklahoma City, Oklahoma. Her family moved to Ponca City, Oklahoma, in 1948. She is best known for her recording, under her maiden name Gayla Peevey, of "I Want a Hippopotamus for Christmas" (Columbia 4-40106, 1953). Peevey recorded the novelty song when she was 10 years old.
In 1960, under the name Jamie Horton, she had a minor hit with the song "Robot Man", a Connie Francis cover.