Natalie Allyn Sleeth (née Wakeley; October 29, 1930 – March 21, 1992) was an American composer of hymns and choral music. Sleeth was born in Evanston, Illinois. She began to study the piano at the early age of four. In 1952, she earned a BA in music theory at Wellesley College in Massachusetts. She married the Rev. Dr. Ronald E. Sleeth, a professor of Homiletics.